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rack
Detail    speak
n.
(折磨,使痛苦) framework for holding objects
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racket
Detail    speak
n.
(球拍) device consisting of an oval frame with a tight interlaced network of strings and a handle; wooden paddle, as one used in table tennis
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radar
Detail    speak
n.
(雷达) measuring instrument to detect distant objects by microwave
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radiate
Detail    speak
v. Syn. effuse
(放射,辐射) spread out; effuse; issue or emerge in rays or waves
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radiation
Detail    speak
n.
(辐射,发光,放热) very small particles of a radioactive substance that can cause illness or death
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radical
Detail    speak
a. Syn. drastic; extreme
(根本的,激进的) drastic; extreme; arising from or going to a root or source; basic
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radius
Detail    speak
n.
(半径,半径范围) right line drawn or extending from the center of a circle to the periphery
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raft
Detail    speak
n.
(筏,救生艇) a flat float made of logs or planks; a large number or amount or extent
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rage
Detail    speak
n. Syn. vogue
(风尚,风靡一时的事物) something that is desired intensely; state of extreme anger
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ragged
Detail    speak
a. Syn. torn; worn
(褴褛的,破烂的) torn; worn; having an irregular surface or edge; uneven or jagged in outline
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raid
Detail    speak
n. Syn. invasion; attack
(袭击) search without warning; surprise attack by a small armed force
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rail
Detail    speak
v. Syn. scold; rant
(责骂,斥责,咆哮) scold; express objections or criticisms in bitter, harsh, or abusive language
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rally
Detail    speak
v. Syn. gather; combine; assemble
(复原,恢复,召集,集合) call up or summon; call together for a common purpose
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ramble
Detail    speak
v. Syn. wander
(游荡,漫无目的游荡) wander aimlessly; move about aimlessly; walk about casually or for pleasure
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rampant
Detail    speak
a. Syn. wild; extravagant
(猖獗的,滋生的,猛烈的) unrestrained and violent; occurring without restraint
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random
Detail    speak
a. Syn. haphazard; chance
(随机的) without definite purpose, plan, or aim; having no specific pattern
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range
Detail    speak
n. Syn. limit
(行列,范围) limits within which something can be effective; variety of different things or activities
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rare
Detail    speak
a. Syn. scarce; uncommon; infrequent
(稀有的) scarce; infrequently occurring; uncommon
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rarefy
Detail    speak
v.
(使稀少,使稀薄) weaken the consistency; purify or refine; lessen the density
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rarely
Detail    speak
ad. Syn. seldom
(很少地,罕有地) not often; in an unusual degree; exceptionally
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