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
I'll go down to Henry's grocery. He's always open.
我到亨利杂货店去。那里总是开门营业的
So five hundred dollars will be 4, 350 RMB yuan.
500美元可兑换人民币4350元。
Parents would be greatly surprised and deeply touched if they realized how much belief their children usually have in their character and infallibility,
那么家长会大为吃惊和深受感动的，如果家长意识到孩子们通常是多么相信家长的品行和绝对正确，