详细解释:n. 阴极
【化】 阴极
【医】 阴极, 负极
词型变化：
副词:cathodically形容词:cathodic英语解释：
名词 cathode:
a negatively charged electrode that is the source of electrons entering an electrical devicethe positively charged terminal of a voltaic cell or storage battery that supplies current例句：
A microwave tube in which electrons generated from a heated cathode are affected by magnetic and electric fields in such a way as to produce microwave radiation used in radar and in microwave ovens.磁控管一种微波管，它里面的发热阴极发出的电子受到磁场和电场的影响，从而产生能用于雷达和微波炉微波辐射