battery
n.电池，蓄电池;炮台，炮位;一组;殴打
复数：batteries
例句
1.Goes into the gun like a battery.
放进枪里就像电池一样。
2.Shall I check the battery?
要不要我检查一下蓄电池?
3.He has the battery!
电池在他身上!
4.Why would somebody swallow a battery?
为什么会有人吞电池?
5.Its battery powered too.
这个也是用电池的。