电源: source; current source; electric source; power pack; power supply; power source; source of power (supply); source of voltage; supply source; electric power supply; mains◇电源板 power panel [s
电池: [电学] cell; battery; element; electric battery 短语和例子干电池 dry cell; 太阳能电池 solar battery; 蓄电池 storage battery; 电池用完了。 the battery has run down. 这台半导体收音机用4节小电池。 this transistor radio has four s