Cathode
01
阴极, 负极
a negatively charged electrode within an electrical device, from which electrons flow out into the external circuit
例子
In a vacuum tube, the cathode emits electrons when heated, enabling the device to function as an amplifier or oscillator.
在真空管中，阴极在加热时发射电子，使设备能够作为放大器或振荡器工作。
02
阴极, 正极
the positively charged terminal of a voltaic cell or storage battery that supplies current
