工作上的问题继续在他的脑海中萦绕了一段时间。

Problems at work continued to occupy his mind for some time.

《牛津词典》

一些宇宙飞船在太空中停留一段时间后可能会出现问题。

Some spacecraft may have problems while in space after a certain amount of time.

youdao

在这部分，你将听到三段讲座或演讲的录音，每段之后回答三或四个问题。

In this section , you will hear three recordings of lectures or talks followed by three or four questions.

youdao

We want to write a piece of code that helps these guys out, so I'm going to show you an example.

通过写一段代码,来解决一个这样的问题，接下来让我们来看个例子。

麻省理工公开课 - 计算机科学及编程导论课程节选

The passage is: Here there is a sort of question, call it historical, of which we are only glimpsing today, the conception, the formation, the gestation, the labor.

这段话是：,有一个问题吧，关于历史的，我们今天只粗略地看看，它的设想，构成，妊娠，和分娩。

耶鲁公开课 - 文学理论导论课程节选

So we'd look broadly at the days and say we're doing a couple economic days, we gonna reserve this for economic issues.

我们可能就会广泛地看,比如这段日子处理经济问题，这段时间就会为经济问题预留。

普林斯顿公开课 - 国际座谈会课程节选