Covalent
a. 共有原子价的, 共价的
🗣️ 情景例句
Yes. I know I must seem silly.
是的，我知道我看来一定很可笑。
I'd appreciate it if you'd wait until be end for questions.
如果你等我做完再询问我会感激你的。
Thanks for the warning.
谢谢你的提醒。