Nitriding
v. 渗氮
🗣️ 情景例句
He's on the phone.
他在电话上。
What's your favorite color?
你最喜欢的颜色是什么？
One Monday, there were fewer people in the shop than usual when the woman came in,
有一个星期一，当这位妇女走进这家商场时，里面的人比往常少，