The batteries had a life span of six hours.

电池的使用寿命是6小时。

《柯林斯英汉双解大词典》

The batteries are designed to be leak-proof and hermetically sealed.

这些电池的设计防渗漏，且密封性强。

《柯林斯英汉双解大词典》

The batteries are running down.

电池快耗完了。

《柯林斯英汉双解大词典》

They used the electrical power in the lunar module to add electricity to the batteries of the command module.

VOA: special.2009.07.22

The energy is not flowing from the batteries through the wires to the CD component.

能量无法再从电池,通过电线流入CD部件中

耶鲁公开课 - 死亡课程节选

With a solar powered sail and using the sun and wind to power the batteries, the purpose of the mission is to show that renewable energy works.

VOA: standard.2009.12.10

And, even if the batteries die, you can still use the old standby: an actual key.

ENGADGET

The gasoline engine drives the front wheels, but it also sends some current to the batteries.

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But it's still great for tapping out long e-mails, and the batteries last a long time.

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