Carburizing
[机] 渗碳
🗣️ 情景例句
I've thought about that for some time.
我已经想过一阵子了。
That'll be $10.00.
10美元。
The characters on the paper were white, and the rest of the paper was black.
纸上的汉字呈白色，其余部分成黑色。