Oxynitrocarburizing
氧碳氮共渗
🗣️ 情景例句
This is Alexandra Pappas, and this is my grandson Robbie,
这是Alexandra Pappas ，这是我孙子Robbie
Our own actions are our security, not others' judgements.
我们的行为是自己的保证而不是别人的鉴定。
Don't touch me!
别碰我！