Cement steel
[机] 渗碳法制成钢
🧩 词语组成解析
cement
[si'ment]
n. 水泥;胶合剂;胶接剂;粘固粉;
vt. 粘牢;巩固;（用水泥、胶等）粘结;在…上抹水泥;
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
I heard the professor of that class is very good.
我听说那个班的教授很好。
When should I get to the airport?
我该在什么时8点45分之前到那里。
Annie considered this was just the kind of demanding job she wanted.
安妮认为，这正是她想要的难度很大的工作。