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
Never mind.
无所谓。
I left the house at 8 o'clock and got to work at 8:30.
我在8点钟离开了房子并且在8:30上班了。
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。