Vsepr
[化] 价层电子对推斥理论
🗣️ 情景例句
Hello, my name is Robbie Stewart.
喂，我叫Robbie Stewart。
How much is the telephone bill a month?
每个月电话费要多少钱？
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。