Hollow cathode
[电] 空心阴极
🧩 词语组成解析
hollow
['hɑlo]
adj. 空的;空洞的;虚伪的;空腹的;
n. 洞，坑;山谷;
vt.& vi. 挖空（某物），变空;挖出（孔、洞）;
adv. 完全，彻底;
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
I know that.
我知道。
Too swift arrives as tardy as too slow.
欲速则不达。
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你没听说过他吗？他是个著名歌手。他星期六将在新剧院演出。