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首页英语词典cathodecathode英英释意

cathode

英 ['kæθəʊd] 美['kæθod]

英英释义考试真题实用场景例句

n. 阴极

英英释意

1. a negatively charged electrode that is the source of electrons in an electrical device

2. the positively charged terminal of a voltaic cell or storage battery that supplies current