Equielectron principle
[化] 等电子原理
🧩 词语组成解析
🗣️ 情景例句
My parents expect nothing but high marks.
我父母就希望我考高分。
It's a pen.
是支笔。
We talked and wondered about the people who had lived here before.
我们谈论并且很好奇以前住在这里的人们。