Periptychidae
褶齿兽科
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
I have received a letter from my cousin.
我收到了我表兄的信。
We would've called a taxi if Liz hadn't offered us a ride home.
假如李兹不送我们回家，我们就打的了。