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
Where do you go to school?
你在哪里上学？
What's the circulation of this magazine?
这杂志发行量怎么样？
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。