Stereocopolymer
立体共聚物
🗣️ 情景例句
Yes, let me try. Oh, it's difficult. Will you show me how to do it?
好吧，让我试试吧！哦，真不容易。能教我怎么用吗？
To receive
接受
One man had a head wound and was in pain.
有一个人头部受了伤，非常痛苦。