Polygenous
有许多种类或成分组成的
🗣️ 情景例句
I've thought about that for some time.
我已经想过一阵子了。
Am I your teacher?
我是你们的教员吗？
Here you are. Put them on, please. You must look after your clothes.
给你们，穿上吧！你们要好好保管你们的衣服。