单词：cathodes
音标：['kæθəʊdz] ；
n. <电>(-)阴极, 负极( cathode的复数形式 )
n. a negatively charged electrode that is the source of electrons entering an electrical device
n. the positively charged terminal of a voltaic cell or storage battery that supplies current
n. the positively charged terminal of a voltaic cell or storage battery that supplies current