英语词汇“be well up in something”的释义、用法及例句-英汉例句词典-鸿札记

词汇	be well up in something
例句	Idiom He's well up in all the latest developments. 他对所有的最新发展情况都了如指掌。
随便看	differently differing differs difficult difficulties difficulty diffidence diffident diffidently diffract diffracted diffracting diffracts diffuse diffused diffusely diffuses diffusing diffusion dig dig a grave for yourself dig (deep) in/into your pocket(s), savings, etc. dig deep (into something) digest digested

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