rack | n. 折磨,使痛苦 framework for holding objects |
radar | n. 雷达 measuring instrument to detect distant objects by microwave |
radiant | a. 发光的,荣光焕发的 brilliant; obviously very happy, or very beautiful |
radiate | v. 放射,辐射 spread out; effuse; issue or emerge in rays or waves |
radiation | n. 辐射,发光,放热 tiny particles of a radioactive substance that can cause illness or death |
rage | n. 风尚,风靡一时的事物 something that is desired intensely; state of extreme anger |
ragged | a. 褴褛的,破烂的 torn; worn; having an irregular surface or edge; uneven or jagged in outline |
ragtime | n. 拉格泰姆音乐 music with a syncopated melody; musical form, predating jazz |
raid | n. 袭击 search without warning; surprise attack by a small armed force |
rainbow | n. 彩虹 arc of colored light in the sky caused by the refraction of the sun's rays by rain |
rally | v. 复原,恢复,召集,集合 call up or summon; call together for a common purpose |
ramble | v. 游荡,漫无目的游荡 wander; move about aimlessly; walk about casually or for pleasure |
rampant | a. 猖獗的,滋生的,猛烈的 unrestrained and violent; occurring without restraint |
ranch | n. 农场,牧场 farm consisting of a large tract of land |
rancher | n. 大农场经营者,牧场工人 one who owns or operates a ranch or farm |
random | a. 随机的 without definite purpose, plan, or aim; having no specific pattern |
range | n. 行列,范围 limits within which something can be effective; a variety of different things or activities |
rank | v. 拥有社会地位,占据位置 hold a particular position in a social hierarchy; form or stand in a row or rows |
rank | n. 排列,归类 relative position in society; official position or grad; row, line, series, or range |
rapture | n. 痴迷,狂喜,极高兴 state of being transported by a lofty emotion; ecstasy; violent taking and carrying away; seizure; forcible removal |
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