Ionicnitriding
离子氮化
🗣️ 情景例句
I would like to make an appointment for a hairdo, please.
我想预约理发， 劳驾。
It is easy to open a shop but hard to keep it always open.
开设店铺易，维持常开难。
Let me see the specifications for that.
让我看看它的规格说明书吧。