Hollow-cathode tube
[电] 空心阴极管
🧩 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
She was in our class.
她和我们同班。
I'm under a lot of pressure.
我的压力很大。
But the copy he gave him had not been written out in full as usual.
但这回狱卒给贵族的信没有像往常那样把全文写全，