There was once a time when I had no fear.

我曾有过不知害怕的时光。

youdao

I remember once a time, my friend asked me to go to see the movie with her, I said yes without hesitation.

我记得有一次，我的朋友叫我去和她一起看电影，我毫不犹豫就答应了。

youdao

There was once a time when women had no right to vote.

曾经有一段时间妇女没有选举权。

youdao

Parson Walker's wife was very sick once, for a long time, and it seemed as if they were not going to save her.

VOA: special.2009.08.29

You can't just say it once. You have to try to fill that void by saying it two times and by invoking his father a third time.

你不能只讲一次，你必须说第二遍,并且第三次提到迪安的父亲，来填补中间的空隙。

耶鲁公开课 - 1945年后的美国小说课程节选

So it'll be a time once or twice a week where they will be in their office.

所以，他们大概每周有一两次会在办公室里。

与教授的面谈 - SpeakingMax英语口语达人

Apparently, there was once a time when Jill Clayburgh danced around in her underwear.

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There was once a time when I would visit a customer armed with these supplies.

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There was once a time when software vendors salivated over a new release of Windows.

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