Nitriding steel
[机] 氮化钢
🧩 词语组成解析
v. 渗氮
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
It's our first date.
这是我们的第一次约会。
Have a nice Thanksgiving!
感恩节快乐！
The woman first bought a few small articles.
这位妇女先是买了几样小商品。