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
Macro adjustment is needed in a market economy.
市场经济需要宠观调控。
Don't tell anyone!
不要告诉别人喔！
In the afternoon, classes are over at 3:30, and I get home at about 4:00.
下午三点半下课，我大概四点到家。