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
Don't be such a grouch.
不要总是牢骚满腹。
McGovern used to be a clergyman.
麦克葛根天生就是当牧师的材料。
OK, said Jim. We can have some for our picnic lunch.
“好，”吉姆说，“我们午餐可以吃点香蕉。”