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
It's funny. History repeats itself.
真有意思。历史在重演。
Buy one get one free.
买一送一。
The sudden barking frightened Clara.
突然的狗叫声吓坏了克拉拉。