Nitriding
v. 渗氮
🗣️ 情景例句
Do your designs at home--here.
在家里设计服装。
What day is today?
今天是星期几？
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。