Acierate
v. 化铁为钢, 掺碳, 增碳
🗣️ 情景例句
It's only a suggestion, and you can do what you please.
这只是个建议，你可按照你的意愿去做。
A penny saved is a penny gained.
省一文是一文。
Are there any boats in the picture?
画里面有船吗？