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at a time 是每次的意思,那么three at a time 和two at a time

分类: 作业答案 • 2021-12-18 22:49:36

问题描述：

答

每次几遍

答

三个一起或同时三个
比方说：
Now I'm gonna try two at a time!
现在我要尝试两个一起。

答

一次三 /二（单位）

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at a time 是每次的意思,那么three at a time 和two at a time

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