Cement steel
[机] 渗碳法制成钢
🧩 词语组成解析
cement
[si'ment]
n. 水泥;胶合剂;胶接剂;粘固粉;
vt. 粘牢;巩固;（用水泥、胶等）粘结;在…上抹水泥;
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
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
Are you Bill Jones?
你是比尔、琼斯吗？
He holds a position of great responsibility upon him.
他担任着一个责任重大的职务。