Periptychidae
褶齿兽科
🗣️ 情景例句
This is a crazy morning. Hello, Richard.
这是一个忙得头昏的早晨。哈喽， Richard。
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
What's it about?
它是讲什么的？