Polyvinylene
聚乙烯撑, 聚次亚乙烯
🗣️ 情景例句
I'll have no problem.
我不会有问题。
Laws catch flies but let hornets go free.
法网只捉苍蝇，不捉黄蜂。
Yesterday morning she came into class as usual.
昨天早上，她像往常那样走进教室。