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
Time moved at a snail's pace before the holiday.
假期之前时间过得非常缓慢。
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
I'll call you next week.
我下个星期会打电话给你。