Electrovalence
n. 电价键, 电(子)价\\n[化] 电价
🗣️ 情景例句
It's common practice.
这是惯例。
It doesn't make any sense!
毫无意义！
I'm sorry, but I have to cancel out luncheon appointment.
真抱歉，不过我不得不取消我们午餐的约会。