Hdpe
[化] 高密度聚乙烯
🗣️ 情景例句
Susan, will you marry me?
Susan，你愿意嫁给我吗？
I meet the boy whose aunt is a stenographer.
我遇到那个男孩的姑妈是速记员。
I can't see. I think they're in her pencil-box.
我看不到。我想大概在她的铅笔盒里。