英语词汇“bone up on”的释义、用法及例句-英汉例句词典-鸿札记

词汇	bone up on
例句	phrasal verb She had boned up on the city's history before the visit. 她在前往这个城市之前先对它的历史研究了一番。
随便看	forestall forestalled forestalling forestalls forested foretaste foretell foretelling foretells forethought keep something in proportion keep something on (keep something/put something/be) under lock and key keep something quiet keep something to yourself keep something under your hat keep somethingup keep/stay out of somebody's way keep/stay shtum keep/stay/steer clear (of somebody/something) keep the flag flying keep the wolf from the door keep to keep to something keep to yourself

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