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VOA慢速英语:绿色和平称塑料、化学污染在南极洲普遍存在
2018-06-18来源:和谐英语
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extrapolate - v. to form an opinion or to make an estimate about something from known facts
rationale - n. the reason or explanation for something
sample - n. a small amount of something that gives you information about the thing it was taken from
sanctuary - n. a place where someone or something is protected or given shelter
significant - adj. large enough to be noticed or have an effect
proper - adj. correct according to social or moral rules