意思有所区别,不能换：
be good at擅长
you had to be good at math
be good in 在某方面出色,有效果
The method was proved to be good in reproducibility and of low detection limit.
be good at和be good in可以互换吗?
5个回答
相关问题
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be expert at与be good at,be expert in与be good in,
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be good at与be good in区别
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帮我区别一下：be good for、be good in、be good with、be good at
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be good at 和 be good with
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be good at 在比较时可以比be better at 替代吗
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be good at doing sth.和be good at sth.区别
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be good at doing sth.和be good at sth.区别
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be good at...和be good with...的不同?
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be good at doing sth.be good at=do well in 是不是 do well in do
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be interested in可以等于be good