Polymetamorphism
多相变质作用
🗣️ 情景例句
My name is Stewart... Malcolm Stewart.
我姓Stewart……Malcolm Stewart。
I'm a graduate of Yale University, I have an M.S.degree.
我是耶鲁大学的毕业生，我有理学硕士学位。
How long has Jim been at his school?
吉姆到校有多长时间了？