cathode
n. 阴极（在电解池中，发生还原反应的电极）；正极（在原电池中，发生还原反应的电极）
复数 cathodes
例句
XRD patterns showed that the cathode material is well-crystallized, homogeneous olivine-type phase, with only tiny trivalence iron impurities.
XRD 图谱表明，阴极材料结晶完整，为均一橄榄石型结构，仅含少量三价铁杂质。
And if I evacuate it, I have a cathode ray tube.
如果我对其抽真空，我会得到一根阴极射线管。
That is how that works. By the way, this is the cathode.
那就是它怎么起作用的，顺便说一下，这就是负极。
