Precarburization
预先碳化[渗碳]
🗣️ 情景例句
And if you don't?
要是你找不到呢？
Great men are not always wise.
伟大的人物未必总是英明的。
The tree was planted near the church fifty years ago, but it is only in recent years that it has gained an evil reputation.
该树是50年前栽在教堂附近的，但只是近几年才得到了一个坏名声。