Cement(ed) steel
[化] 渗碳钢
🧩 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
Do you love me?
你爱我吗？
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，