Covalent
a. 共有原子价的, 共价的
🗣️ 情景例句
Who's in charge here?
这儿谁负责？
She is hard to please.
她很难取悦。
for the basket contained two Members of Parliament and the Commanding Officer of the station!
因为筐里是两名国会议员和一名基地的指挥官！