Polyvinylene
聚乙烯撑, 聚次亚乙烯
🗣️ 情景例句
I'd like that.
我很乐意。
We're all anxious to hear Mr. Jones'remarks.
我们都很急切地想倾听琼斯先生的讲话。
Who but Jack would do such a thing?
除了杰克谁会做这种事呢？