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
He says I never turn them out when I leave.
他说我离开时从不关灯。
I can't handle this alone.
我无法单独处理这事。
I'm afraid he's out at the moment. He's at the cinema. Can I take a message?
恐怕他这会儿不在家。他在电影院。我可以给你捎个信儿吗？