Polygenous
有许多种类或成分组成的
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
Give a lark to catch a kite.
得不偿失。
I did not know the way to my hotel, so I asked a porter.
我不知道去饭店的路该怎么走，于是向一个搬运工打听。