battery

柯林斯词典

1. N-COUNT Batteries are small devices that provide the power for electrical items such as radios and children's toys. 电池
The shavers come complete with batteries. 这些电动剃须刀带有电池。
...a battery-operated cassette player. …用电池的磁带放音机。
2. N-COUNT A car battery is a rectangular box containing acid that is found in a car engine. It provides the electricity needed to start the car. (汽车) 蓄电池
...a car with a dead battery. …一辆蓄电池没电了的汽车。
3. N-UNCOUNT Battery is the crime of hitting or beating someone. 殴打罪[美国英语] [法律]
Lawrence punched a man in a Los Angeles nightclub and was charged with battery. 劳伦斯在洛杉矶的一家夜总会里打了人，结果被指控犯了殴打罪。
4. →see also assault and battery
5. N-COUNT A battery of equipment such as guns, lights, or computers is a large set of it kept together in one place. 一排; 一套
They stopped beside a battery of abandoned guns. 他们停在一排废弃的大炮旁。
6. N-COUNT A battery of people or things is a very large number of them. 一大群; 一组
...a battery of journalists and television cameras. …一大群记者和电视摄像机。

You'll run the battery down if you leave your car lights on.
It's not working - I don't think the battery is charging .
Is it all right to leave /put the battery on charge overnight ?
I left my car lights on all night and now the battery is flat .
The battery should prevent the computer system from going down in the event of a power cut .