Cepa
[化] 耦合电子对近似
🗣️ 情景例句
He forgave me for losing his notebook.
他原谅我遗失他的笔记本。
Drowning man will catch at a straw.
溺水的人一根草也要抓。
I'm sorry, but this week isn't very convenient for me.
对不起，这个星期我都不方便。