Polydivinylbenzene
聚二乙烯基苯
🗣️ 情景例句
I am also glad to be here.
我很高兴来这里 。
The doctor advised me to get plenty of exercise.
医生建议我多锻练。
Look at the rain! It's heavy, isn't it?
瞧这雨！下这么大，是吧？