Vsepr
[化] 价层电子对推斥理论
🗣️ 情景例句
This is a good start.
这是一个好的开始。
It's not up to his usual standard.
这次没有达到他平时的水平。
I'd prefer them not to play too loudly at the beginning.
我比较喜欢开始时的演奏不要太吵