Artificial muscles can generate electricity during constriction. The electricity may even charge up your mobile phone.

人造肌肉能在收缩过程中产生电力。这种电力未来甚至能为手机充电。

There was nothing in the brochure about having to drive it every day to charge up the battery.

手册里没写它要每天开，给电池充电。

Will you charge up my car battery?

你替我把汽车电瓶充一下电好吗？

Charge up my car battery, will you?

汽车发动不起来，因为蓄电池没电了。

He said he would charge up my car battery.

他说他会给我汽车上的蓄电池充电。