Polrvinyl
[医] 聚乙烯, 乙烯聚合体
🗣️ 情景例句
Yes, but it would mean that we'd have to move to L.A.
是的。但这意味着我们必须搬到Los Angeles。
Rivers need a spring.
大河要有源头。
No, she bought them in the U.S.
不。她是在美国买的。