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
Donald passed away a couple of years ago.
Donald几年前去世了。
He is pinned down by the demonstrators.
他被示威的队伍给钉住了。
They lived there before they came to China.
在他们来中国前。