Trianion
三阴离子
🗣️ 情景例句
I would like to make an appointment for a hairdo, please.
我想预约理发， 劳驾。
We go to bed at 10:30.
我们十点半睡觉。
Maybe it was useful for some people, but it wasn't for me.
它可能对一些人有用，但对我没用。