Polydivinylbenzene
聚二乙烯基苯
🗣️ 情景例句
I brought you a chicken sandwich and a glass of milk.
我替你带来一份 肉三明治和一杯牛奶。
Do you have any time?
你有时间吗？
When, for example, a customer first opens an account,
比如，储户首次在银行开户时，