Serpentinization
蛇纹石化; 蛇纹岩化
🗣️ 情景例句
You have to expect the unexpected in Shanghai.
在上海，你总会有意想不到的收获。
When did you do homework?
你什么时候做家庭作业？
Was he absent from school last week?
上星期他没上学吧？