Ferritization
褐铁矿化
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
Ambition never dies until there is no way out.
不到黄河心不死。
You work for the Overseas Engineering Company, don't you?
你在海外工程公司上班，是吗？