Carburizing
[机] 渗碳
🗣️ 情景例句
What broke up their friendshop?
是什么破坏了他们的友情呢？
I don't have the nerve to do it.
我没勇气去做。
Kate, could you answer the telephone, please? I'm busy.
凯特，你能接一下电话吗？我忙着呢。