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
and we know you will all work together
我们相信各位会共同出力
What is wealth good for,If it brings melancholy?
财富如带忧郁来，有了财富有何用？
I have been putting on weight.
我开始发胖了。