There was no water in the building, just a pump in the courtyard.

楼里没水，只在院子里有个水泵。

《柯林斯英汉双解大词典》

Deane continued diving on the site intermittently until 1840, recovering several more guns, two bows, various timbers, part of a pump and various other small finds.

迪恩继续间歇性地在这个地方潜水直到1840年，期间又找到了几支枪、两张弓、各种木材、一个水泵的一部分和其他各种小物品。

youdao

The teacher drew an analogy between the human heart and a pump.

老师打了个比喻，把人的心脏比作水泵。

《牛津词典》

One is a pump that lets patients give themselves pain medications as needed.

VOA: special.2010.05.04

But one that I was very interested in was biology, and the reason was we did a lot of cool labs in high school, I loved doing the dissections -- it was very interesting to me to think about how different organs worked, how the heart could be a pump, how the lungs worked.

但当时我很喜欢生物学，因为我高中做了很多很酷的生物实验,我很喜欢解剖-,我觉得了解不同器官,怎么工作很有趣,像心脏怎么泵血。

麻省理工公开课 - 化学原理课程节选

What if you could take just a pump that's capable of continuously administering insulin at various rates and connect it to a sensor that's able to continuously measure the sugar level in your blood?

如果我们安装一个泵,能够持续的动态控制胰岛素输出,并把这个泵连接到一个,持续监测体内血糖水平的变化的传感器上

耶鲁公开课 - 生物医学工程探索课程节选

Exhibits include an eight-foot-long rotor, half of a hundred-and-fifty-ton truck, and a pump of Brobdingnagian proportions.

NEWYORKER: Unconventional Crude

He celebrated with a pump of his arm and let out an emphatic yell.

WSJ: Rangers' Lundqvist shuts out Caps to force Game 7

One theory is that it was part of a pump and dump stock operation.

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