And keep hand sanitizer around and use frequently.

四周放些洗手液，经常使用。

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On average,students using swear words were able to keep their hand in the water for about two minutes.

VOA: special.2009.08.18

On the other hand, temperature, volume and pressure are variables that are much easier in the lab to keep constant.

另一方面，温度，体积和压强,在实验室中比较容易保持恒定。

麻省理工公开课 - 热力学与动力学课程节选

On the other hand, if out of sight out of mind, they should expect the screen to keep going.

另一方面,如果看不见就觉得不存在,那么婴儿会期待屏板继续移动

耶鲁公开课 - 心理学导论课程节选

Any player who scores a goal gets to keep the hand-painted ball, which carries a new design each year.

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The artist who created them had to perform his craft between heartbeats to keep his hand steady.

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At that point, von Lipinski felt grateful that he would keep his hand at all, even if it would be paralyzed.

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