Tetartohedron
四分面体
🗣️ 情景例句
What's wrong with wanting to be on the school board?
想进入联合校董会有什么错？
A good face is a letter of recommendation.
好的相貌就是一封推荐的介绍信。
The majority of thepatients attending the medical out-patients departments of our hospitals
在医院门诊部看病的大多数人