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 speak to Dad?
你们为什么不跟爸爸说说看？
Did you go to the park yesterday?
你昨天去公园了吗？
Hi, it's Bob here. Listen. I want you to play in a concert for me.
嗨，我是鲍勃呀！听着，我想要你为我在一个音乐会上演出。