City University of Hong Kong CLASS CLASS
Making Sense of Grammar
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at a time,at one time和at the time有什么区别
asked Mar 14, 2019 in Questions about English Grammar by 117030400407waq (130 points) | 612 views

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at a time :一次;每次;在某时
Let your listener answer one question at a time.
让你的听众一次回答一个问题

at one time :曾经,一度;同时(大多时候可以同at a time 替换)
All showed signs that, at one time, they had been active.
所有迹象表明,它们曾一度活跃过

at the time :在那时,那时候
At the time, printing itself was not a new idea.
在当时,印刷术本身并不能算是一个新想法。

answered Mar 15, 2019 by 118030200516ml (340 points)

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