And keep hand sanitizer around and use frequently.

四周放些洗手液，经常使用。

youdao

We perfected a hand-signal system so that he could keep me informed of hazards.

我们完善了一套手语体系，以便他能告知我危险。

《柯林斯英汉双解大词典》

She tried to keep hold of the child's hand.

她尽力拉住那孩子的手不放。

《牛津词典》

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.

BBC: Entire English town competes in Shrove football

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

CNN: Mice on toast; eye-of-the-needle art

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

CNN: Surviving a flesh-eating disease