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. I heard you talking about it
我知道。我听到你们谈论的那件事了，
A good book is a light to the soul.
好书一本，照亮心灵。
Look at those black clouds. It's going to rain.
看那成堆的乌云，要下雨啦！