at one time和at a time的区别是什么?

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/06/24 13:23:10

A.at a time 依次,逐一,每次.
如;1.Don't try to do everything at once,take it a bit at a time.不要什么事情都一块干,要一次做一点.
2.Take the pills two at a time.每次服2粒.
B.at one time一度,从前.
如:At one time I used to go skiing every winter.我有一度每到冬天就去滑雪.

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