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
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
I will die before I'll eat that carrot.
如果要我吃胡萝卜，我宁愿去死。
Is that a car?
那是一辆小汽车吗？