高中英语词组 Senior 2 U1-U8 - 英... ... • 8get engaged to sb.表动作 • 9be engaged in (doing) sth.忙于某事 • 10work on从事于 ...
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... 一件好事,干得更好 a good thing, do a thing much better 〈口〉起作用,奏效 succeed in doing what is required or desired 从事…工作 be engaged in sth ...
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be engaged in doing sth 忙于做某事 ; 忙于做
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