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Secrets of Radar
Secrets of Radar

Chapter XX

Chapter 20 of Secrets of Radar is here in full — 143 sentences across 29 reading sections, with audio for every sentence and word.

Cover illustration for Secrets of Radar
Context Illustration Reading 1/28 · 5 lines
English subtitles · tap any word to listen 1 / 5
_Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.
They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.
“Get a grip on my leg,” Jan said.
“Just in case I get dizzy.
I’ll lay down flat and look over.”
0:00 / 0:00
Speed 0.75x
AI-generated narration by OpenAI · Slow US English
LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
Editorial verification pending

A keeper or guardian of historical records and memories.

Secrets of Radar

Chapter XX

Chapter 20 of Secrets of Radar is here in full — 143 sentences across 29 reading sections, with audio for every sentence and word.

Reading 1/28 · 5 reading units · Lines 1–5

Line 1
_Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.
/tuː ʃɑːts ənd ə sərˈpraɪz ɡeɪl ənd dʒæn klaɪmd daʊn ðə ˈrɑːki klɪf ˈoʊvər wɪtʃ ðə ˈreɪdɑːr set hæd bɪn bloʊn baɪ ðə ˈenəmiz bɑːm ənˈtɪl ɪt siːmd ðeɪ kʊd ɡoʊ noʊ ˈfɑːrðər/
Line 2
They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.
/ðeɪ æt læst faʊnd ðemˈselvz ɑːn ə ˈneroʊ ˈrɑːki ledʒ ðæt ˈoʊvərlʊkt ə ˌpɜːrpənˈdɪkjələr wɔːl ʌv rɑːk/
Line 3
“Get a grip on my leg,” Jan said.
/ɡet ə ɡrɪp ɑːn maɪ leɡ dʒæn sed/
Line 4
“Just in case I get dizzy.
/dʒʌst ɪn keɪs aɪ ɡet ˈdɪzi/
Line 5
I’ll lay down flat and look over.”

Learner Dictionary

These definitions explain words found in the current reading and keep every example grounded in its original sentence.

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, and audio.

bomb noun US /bɑːm/

an explosive device fused to explode under specific conditions

From this reading “_Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.”

dizzy adjective US /ˈdɪzi/

having or causing a whirling sensation; liable to falling

From this reading ““Just in case I get dizzy.”

enemy's noun US /ˈenəmiz/

possessive form of “enemy” — an opposing military force

Jan noun US /dʒæn/

the first month of the year; begins 10 days after the winter solstice

From this reading “_Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.”

ledge noun US /ledʒ/

a projecting ridge on a mountain or submerged under water

From this reading “They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.”

overlooked adjective US /ˈoʊvərlʊkt/

not taken into account

From this reading “They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.”

perpendicular noun US /ˌpɜːrpənˈdɪkjələr/

a straight line at right angles to another line

From this reading “They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.”

radar noun US /ˈreɪdɑːr/

measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

From this reading “_Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.”

Word partnerships in these lines

English keeps certain words together, and knowing the pair is worth more than knowing each word alone. Every partnership below was counted across our whole published library, and earns its place by appearing far more often than two unrelated words of the same frequency would.

Shown as this reading writes them, with the form the library counts, what kind of pairing it is, and how often it occurs.

rocky ledge adjective + noun

In this reading “They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.”

rocky cliff adjective + noun

In this reading “_Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.”

perpendicular wall noun + noun

In this reading “They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.”

lay down verb + adjective

institute, enact, or establish

In this reading “I’ll lay down flat and look over.””

climbed down verb + adjective counted as “climb down”

come down

In this reading “_Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.”

look over verb + particle

In this reading “I’ll lay down flat and look over.””

in case preposition + noun

if there happens to be need

In this reading ““Just in case I get dizzy.”

All words in this reading · 57

Every word in these five lines is listed here, and every one of them can be played on its own.

Dictionary details are shown only when verified; these are not licensed Oxford entries.

adeterminerUS /ə/

used before a singular noun to mean one of a group, when it is not a particular one

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

andconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

atprepositionUS /æt/

in or near a particular place or position

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

beenauxiliary verbUS /bɪn/

the past participle of “be”

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

blownadjectiveUS /bloʊn/

being moved or acted upon by moving air or vapor

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

bombnounUS /bɑːm/

an explosive device fused to explode under specific conditions

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

byprepositionUS /baɪ/

showing who or what does the action

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

casenounUS /keɪs/

an occurrence of something

From this reading “Just in case I get dizzy.

cliffnounUS /klɪf/

a steep high face of rock

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

climbedverbUS /klaɪmd/

past form of “climb” — go upward with gradual or continuous progress

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

couldmodal verbUS /kʊd/

the past of “can”; used for possibility or polite requests

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

dizzyadjectiveUS /ˈdɪzi/

having or causing a whirling sensation; liable to falling

From this reading “Just in case I get dizzy.

downadjectiveUS /daʊn/

being or moving lower in position or less in some value

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

enemy'snounUS /ˈenəmiz/

possessive form of “enemy” — an opposing military force

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

fartheradjectiveUS /ˈfɑːrðər/

more distant in especially space or time

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

flatadjectiveUS /flæt/

having a surface without slope, tilt in which no part is higher or lower than another

From this reading I’ll lay down flat and look over.”

foundverbUS /faʊnd/

set up or found

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

GalenounUS /ɡeɪl/

a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

GetverbUS /ɡet/

come into the possession of something concrete or abstract

From this reading “Get a grip on my leg,” Jan said.

goverbUS /ɡoʊ/

change location; move, travel, or proceed, also metaphorically

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

gripnounUS /ɡrɪp/

the act of grasping

From this reading “Get a grip on my leg,” Jan said.

hadauxiliary verbUS /hæd/

the past form of “have”, used to form the past perfect

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

IpronounUS /aɪ/

the person speaking or writing, as the subject of the verb

From this reading “Just in case I get dizzy.

I'll

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading I’ll lay down flat and look over.”

inprepositionUS /ɪn/

inside something, or within a place, period, or state

From this reading “Just in case I get dizzy.

itpronounUS /ɪt/

a thing, animal, or idea already mentioned

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

JannounUS /dʒæn/

the first month of the year; begins 10 days after the winter solstice

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

JustadverbUS /dʒʌst/

and nothing more

From this reading “Just in case I get dizzy.

lastadjectiveUS /læst/

immediately past

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

layverbUS /leɪ/

put into a certain place or abstract location

From this reading I’ll lay down flat and look over.”

ledgenounUS /ledʒ/

a projecting ridge on a mountain or submerged under water

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

legnounUS /leɡ/

a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle

From this reading “Get a grip on my leg,” Jan said.

lookverbUS /lʊk/

perceive with attention; direct one's gaze towards

From this reading I’ll lay down flat and look over.”

mydeterminerUS /maɪ/

belonging to the person speaking

From this reading “Get a grip on my leg,” Jan said.

narrowverbUS /ˈneroʊ/

make or become more narrow or restricted

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

nodeterminerUS /noʊ/

not any; not one

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

ofprepositionUS /ʌv/

belonging to, or connected with, somebody or something

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

onprepositionUS /ɑːn/

touching and supported by a surface

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

overprepositionUS /ˈoʊvər/

above and across; more than

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

overlookedadjectiveUS /ˈoʊvərlʊkt/

not taken into account

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

perpendicularnounUS /ˌpɜːrpənˈdɪkjələr/

a straight line at right angles to another line

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

radarnounUS /ˈreɪdɑːr/

measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

rocknounUS /rɑːk/

a lump or mass of hard consolidated mineral matter

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

rockyadjectiveUS /ˈrɑːki/

abounding in rocks or stones

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

saidadjectiveUS /sed/

being the one previously mentioned or spoken of

From this reading “Get a grip on my leg,” Jan said.

seemedverbUS /siːmd/

past form of “seem” — give a certain impression or have a certain outward aspect

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

setverbUS /set/

put into a certain place or abstract location

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

ShotsnounUS /ʃɑːts/

plural of “shot” — the act of firing a projectile

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

SurprisenounUS /sərˈpraɪz/

the astonishment you feel when something totally unexpected happens to you

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

thatconjunctionUS /ðæt/

used to introduce what somebody said, thought, or felt

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

thedeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

themselvespronounUS /ðemˈselvz/

used when the people doing the action are also its object

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

theypronounUS /ðeɪ/

the people, animals, or things already mentioned, as the subject

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

TwonounUS /tuː/

the cardinal number that is the sum of one and one or a numeral representing this number

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

untilprepositionUS /ənˈtɪl/

up to a particular time

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

wallnounUS /wɔːl/

an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure

From this reading They at last found themselves on a narrow rocky ledge that overlooked a perpendicular wall of rock.

whichpronounUS /wɪtʃ/

used to introduce a clause giving more about a thing just mentioned

From this reading _Two Shots and a Surprise_ Gale and Jan climbed down the rocky cliff over which the radar set had been blown by the enemy’s bomb until it seemed they could go no farther.

Chapter 20 of Secrets of Radar by Roy J. (Roy Judson) Snell holds 143 sentences, grouped into 29 reading sections of at most 5 sentences. The text is the source edition, unabridged, and the chapter records which sentences cover which part of the work so that nothing is dropped. Every word can be tapped for its pronunciation and dictionary entry.

What does chapter 20 of Secrets of Radar contain?

Chapter 20 holds 143 sentences of Secrets of Radar, unabridged, divided into 29 reading sections.

This page carries chapter 20 of Secrets of Radar by Roy J. (Roy Judson) Snell exactly as it stands in the source edition, without abridgement. It runs to 143 sentences, grouped into 29 sections of at most 5 sentences so that a reader can take the chapter in steady, finishable pieces. The chapter also stores a coverage record mapping every one of its sentences to a part of the work, which is how the edition demonstrates that no line was dropped.

How do I study chapter 20 of Secrets of Radar?

Work through the 29 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 29 sections in this chapter is short enough to read once, hear once, and then re-read with the vocabulary in view. Tapping a word plays it alone and opens its dictionary entry with IPA, part of speech and meaning, so the reader is never forced to guess a pronunciation from spelling. Working section by section keeps a long chapter from becoming an undifferentiated wall of text, which is the usual reason a reader abandons a work of this period.

Can chapter 20 be read aloud to me?

Yes — every sentence and every individual word in chapter 20 can be played aloud in United States English.

Audio covers the whole chapter: any sentence can be played, and any single word within it can be played on its own. The voice uses United States English. For a work of this period that matters, because spelling is an unreliable guide to pronunciation for vocabulary that has fallen out of daily use, and a learner who guesses wrong tends to keep the error. Hearing the word in its own sentence, and then alone, settles it.

Questions about reading Secrets of Radar

Common questions about reading Secrets of Radar by Roy J. (Roy Judson) Snell on this page, its source edition and its audio.

Is this the complete text of Secrets of Radar?

Yes. All 5147 sentences of Project Gutenberg eBook #58073 are kept, with a record of which sentences cover which part.

Which edition of Secrets of Radar is used?

Project Gutenberg eBook #58073, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does Secrets of Radar take to read?

About 428 minutes of reading across 1030 sections of 5 sentences each, at an unhurried pace.

How to read Secrets of Radar section by section

How to work through Secrets of Radar section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

    Choose one of the 26 chapters of Secrets of Radar to begin.

  2. Read one section

    Each section holds 5 sentences; read it once through.

  3. Listen and tap

    Play the section aloud, then tap any unfamiliar word for its entry.

Vocabulary met early in Secrets of Radar

Words and structures a reader meets early in Secrets of Radar, each tappable for pronunciation and meaning.

Radar
A word that appears in the opening chapter of Secrets of Radar; the reader can tap it to hear it and see its dictionary entry.
Secrets
A word that appears in the opening chapter of Secrets of Radar; the reader can tap it to hear it and see its dictionary entry.
Become
A word that appears in the opening chapter of Secrets of Radar; the reader can tap it to hear it and see its dictionary entry.
Center
A word that appears in the opening chapter of Secrets of Radar; the reader can tap it to hear it and see its dictionary entry.