At a certain moment, you heard a calling from earth.

在某个时刻，你听到了来自地球的请求。

youdao

Fall is one of those seasons that just happens for everyone at a certain moment.

秋天对很多人来说只是四季中的一季。

youdao

You really love men, you will silently remember inadvertently said, at a certain moment when they duplicate.

真正爱你的男人，会默默地记住你不经意说过的话，在某时某刻重复它们。

youdao

"The bus went into the middle of the desert and at a certain moment the call to prayer came just lilting through the desert - first time I've ever heard it - and then the bus stopped and all of those colorful people got off the bus."

VOA: standard.2010.05.21

So that can be unsettling when we think of this as happening at a certain contemporaneous moment in the history of thought.

如果把这个问题放在思想史的特定时期来想,它可能是难以解决的。

耶鲁公开课 - 文学理论导论课程节选

Just imagine a philologist being confronted with the idea that the meaning of words at a certain historical moment isn't the only thing that matters in understanding the meaning of a poem.

想象一下，一个语言学家看到一个理论指出,一个字在特定历史阶段的语义,不是影响诗歌意思理解的,唯一因素。

耶鲁公开课 - 文学理论导论课程节选

In crude terms, this holds that each company or sector of the economy needs a certain amount of labour, at any one moment.

ECONOMIST: European politics

We called it a flash deal, so at any moment it would be released, and there would only be a certain number of them available.

FORBES: Move up http://i.forbesimg.com t Move down

And so, when it finally happened, because it was bound to happen, we all knew it was only a matter of time, we felt, in the midst of our curiosity and terror, a certain calm, the calm of familiarity, we knew what was expected of us, at such a moment.

NEWYORKER: The Invasion from Outer Space