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 4000 Duolingo (R) - Spelling Practices
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n. 比,比率,比值 the relation which one quantity or magnitude has to another of the same kind; rate; proportion


Spelling Word: ratio
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v. 徹底摧毀 destroy completely; scrape or shave off


Spelling Word: raze
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n. 接受器,感受器 organ having nerve endings that respond to stimulation


Spelling Word: receptor
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n. 記憶力,記性,記憶中的往事 memory; remembrance; the power of recalling ideas to the mind


Spelling Word: recollection
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n. 長方形 a parallelogram with four right angles


Spelling Word: rectangle
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v. 抵制,抵抗,遠離,節制 abstain from; resist; hold oneself back


Spelling Word: refrain
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n. 統治,支配 sovereignty; rule; dominance or widespread influence


Spelling Word: reign
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a. 無情的,殘酷的 unmoved by appeals for sympathy or forgiveness; insensible to distresses of others; unyielding


Spelling Word: relentless
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a. 生殖的 producing new life or offspring


Spelling Word: reproductive
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n. 居民 one who resides in a place permanently or for an extended period; dweller


Spelling Word: resident