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
What's the exchange rate today?
今天的兑换比率是多少？
Hotels in America don't usually serve dinner in the rooms.
在美国的旅店里，正餐通常是不送到房间里。
It has long been known that the hunting scenes depicted on walls were not simply a form of artistic expression.
大家早就知道，画在墙上的狩猎图景并不是单纯的艺术表现形式，