Polyvinylene
聚乙烯撑, 聚次亚乙烯
🗣️ 情景例句
We'll offer our sale agents and purchasers many kinds of services and benefits.
我们将为代理商和买主提供多种服务和利益。
A good heart conquers ill fortune.
善心克厄运。
Then he lent me a book.
之后还借给我一本书。