Elastopolymer
[化] 弹性高聚物
🗣️ 情景例句
How is everyone in your family?
全家都好吗？
The crates are charge to you at $5 each if they are not returned to us within 2 weeks.
如果木条箱两星期内不归还，则每只箱扣罚五美元。
What should I do?
我该怎么办？