We can't throw used batteries away.

我们不能扔掉用过的电池。

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According to the rule, used batteries must be dropped in the red bin for harmful wastes.

根据规定，用过的电池必须扔在红色的有害废物垃圾箱里。

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Some of us recycle used batteries in our spare time.

我们中的一些人业余时间回收用过的电池。

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

VOA: special.2009.07.22

They also used a new,lithium-ion battery that is expected to last longer than batteries in current hybrid cars.

VOA: special.2010.11.17

But Paul Woods says that idea is limited by the batteries used to store energy and that there is no battery currently available that can power long-haul trucks or heavy machinery.

VOA: standard.2009.09.02

Honda Motor, for instance, said it would start recycling rare earth metals from used batteries.

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They used batteries from cellphones and the motherboard from the Macbook.

FORBES: The Road To A Recyclable Laptop

Currently most proposed systems and experiments have simply used batteries.

FORBES: Powering a Cyborg Beetle Without Batteries