Carburizing steel
[机] 渗碳钢
🧩 词语组成解析
[机] 渗碳
steel
[stil]
n. 钢，钢铁;钢制品;兵器;钢铁工业;
vt. 包上或镀上钢;使坚定;
adj. 钢制的;钢铁业的;坚强的;[色彩]青灰色的;
🗣️ 情景例句
Good afternoon. Make yourself at home.
下午好。请随便些。
I think it's going to take at least 2 days.
我认为它将花至少两天时间。
What happened on the march then?
那么 ，在游行中发生了什么事？