1N-COUNT 电池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.
这些剃须刀都已经配好了电池。
...a battery-operated cassette player.
使用电池的磁带播放机
...rechargeable batteries.
充电电池
SYN power unit
2N-COUNT (汽车)电瓶,蓄电池 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)电瓶,蓄电池
...a car with a flat battery.
电瓶没电了的汽车
3N-COUNT (设备的)一排,一套 A battery of equipment such as guns, lights, or computers is a large set of it kept together in one place. (设备的)一排,一套
They stopped beside a battery of abandoned guns. [+ of]
他们在一排废弃火炮旁停了下来。
...batteries of spotlights set up on rooftops. [+ of]
5N-COUNT [usually singular]一系列(测试、检查等) A battery of tests is a set of tests that is used to assess a number of different aspects of something, such as your health. 一系列(测试、检查等)
We give a battery of tests to each patient. [+ of]
6ADJ [ADJ n](养鸡场)层架式的Battery farming is a system of breeding chickens and hens in which large numbers of them are kept in small cages, and used for their meat and eggs. (养鸡场)层架式的 [British]
...battery hens being raised in dark, cramped conditions.