Polysorb
有机聚合物担体
🗣️ 情景例句
My parents set aside a college savings fund for me.
我的父母为我存了一笔上学的费用。
What was that?
你说什么来着？
No, there isn't. The nearest is about 4 kilometres away. You'd better catch a bus.
不，附近没有。最近的离这大约4公里。你最好乘公共汽车去。