Polyprotodontia
[医] 多门牙类, 多门齿类
🗣️ 情景例句
The advanced class is nonstop.
高级课程， 是没有休息的。
Would you please hold the door open for me?
可以请你为我把门拉着吗？
Its origin is still a mystery now.
它的起源至今仍是个谜。