4000 Duolingo (T) - Spelling Practices

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(1) n. 滑车,复滑车,钓具,抓住,揪住,擒抱 apparatus for raising or lowering heavy weights; stopping an opposing player carrying the ball

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(2) n. 迟到,缓慢 lateness; delay; sluggishness; state or quality of being tardy

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(3) a. 短暂的,暂时的 not permanent; not lasting

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(4) n. 论题,论文 paper; dissertation; an unproved statement put forward as a premise in an argument

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(5) v. 威胁,预示…的凶兆,可能来临 pose a threat to; present a danger to

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(6) ad. 胁迫地 in a way that expresses a threat of something unpleasant or violent; aggressively

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(7) n. 推力,冲 push; force used in pushing; activity or idea is the main or essential thing it expresses

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(8) v. 使紧,变紧,使更严 draw tighter; straiten; make closer in any manner.

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(9) n. 表层土 the layer of soil on the surface

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(10) n. 比赛,锦标赛 contest; sporting competition in which contestants play a series of games to decide the winner