You may be the one offering assistance at this point of time.
你现在可能是提供帮助的人。
Synchronic linguistics is the study of language at a certain point of time.
共时语言学是对某一特定时期语言的研究。
We don't know what to say at this point of time.
嗯…，我也不太知道要说什么。
An hour is a period of time while one o 'clock is a point of time.
一个小时是一段时间，而一点钟是一个时刻。
An hour is a period of time while one o 'clock is a point of time.
一个小时是一段时间，而一点钟是一个时刻。
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