Cesium hollow cathod
[电] 空心阴极
🧩 词语组成解析
n. 铯\\n[化] 铯Cs
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;
🗣️ 情景例句
He is new at the work to the work.
他没有做这项工作的经验。
His eye is swollen, Does it hurt?
他的眼睛肿起来了，疼不疼？
The pirates would often bury gold in the cave and then fail to collect it.
海盗们过去常把金子埋藏在那个洞里，可后来却没能取走。