Retrometamorphism
退向变质作用
🗣️ 情景例句
He's working with me during the summer months as an intern.
在夏天的这几个月到我这里来当实习生。
What is the hottest area in this country?
这个国家最热的区域是哪里？
I don't understand! What do you mean? asked Mrs Brown.
“我不懂！你说的是什么意思？”布朗夫人问道。