Quadrielectron
四电子(组合)
🗣️ 情景例句
It won't hurt you to try it.
你不妨试试。
Would you mind opening the window?
你介意开窗吗？
I don't want to know what it's been; I want to know what it is now.
我不想知道它曾经是什么；我想知道它现在是什么。