Polygamia
杂性纲
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
Children are the parents's riches.
子女是父母之财富。
So there were many people in the doctor's waiting room.
所以医生的候诊室里有很多人。