Acierate
v. 化铁为钢, 掺碳, 增碳
🗣️ 情景例句
The number you are calling -- 555-8448 --
你打的电话号码555 8448
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
Two men who recently spent five days on a coral island wished they had stayed there longer.
最近有两个人在一座珊瑚岛上呆了5天，他们真希望在那儿再多呆一些日子。