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When students finish the homework, they keep it on Wechat.

当学生完成作业时，他们把作业保存在微信上。

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Whenever they are not having a shower or swimming, they keep it on.

当他们不洗澡或不游泳的时候，他们就一直开着它。

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Secretary Gates says he believes Iran wants to develop nuclear weapons and that the international community must keep it on "tight enough deadlines and specific enough requirements" to determine whether its government is seriously interested in taking a different course.

VOA: standard.2009.10.06

And, if you take all of these ideas, omnidirectional and unsaturated, it means that ions can keep glomming on.

如果你注意所有的想法，无方向性和不饱和性，意味着离子能够保持攫取状态。

麻省理工公开课 - 固态化学导论课程节选

I mean, this is, I could talk for hours on this, but I guess I'll keep it short.

我觉得我们可以就这个话题谈上几个小时，但我会简短一些。

喜欢环境法课程 - SpeakingMax英语口语达人

It needs its Central Bank to keep it on the straight and narrow.

ECONOMIST: Is the Central Bank targeting growth?

The Chamber certainly has the right to fight for their contingency but should keep it on a level playing field.

FORBES: Lawyers Outspend Obama On The Web, Study Finds

The short answer is that no bank can be too big, so long as there is enough free competition to keep it on its toes.

ECONOMIST: The limits to size