Polygenous
有许多种类或成分组成的
🗣️ 情景例句
I am in the 7th grade.
我是七年级。
Could you give me some comments?
你有什么感想吗？
The police were astounded when Mrs.Ramsay told them what she had done.
拉姆齐太太把她所做的事告诉了警察，警察听后大为吃惊。