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
Five, five, five, seven, five, three, two.
5557532。
These clothes are too long , they need to be taken up.
这些衣服太长了需要去改一下。
We did as he told us and we won the first place in the league at last!
我们照他叮嘱的做了，因而我们最终获得了联赛的冠军！