Cementation steel
[化] 渗碳钢
🧩 词语组成解析
n. 水泥接合, 黏结, 胶结\\n[医] 粘固[作用]
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
Why don't you call back later this afternoon?
你何不今天下午再来电话呢？
I can come any time except Sunday.
除星期天外我都能来。
He has been sick for three weeks.
他已经病了几周了。