Machine steel
[化] 机械零件用钢
🧩 词语组成解析
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
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
Speed is the soldier's asset.
兵贵神速。
Yes, I do. But it's only a small one.
是的，有，但是很小。