Estyrene
乙烯苯均聚物
🗣️ 情景例句
Where are the toys hidden away?
那些玩具藏在什么地方？
We can offer you a price of 8 pounds per item, from 20 days, after which the price will be subject to an increase of 5%.
我们给您报价每件8英镑，有效期20天，过期价格增加5%。
The order will be mailed to you next week.
下星期就寄给你们。