Polyethylenes
(polyethylene 的复数) n. 聚乙烯\\n[化] 聚乙烯
🗣️ 情景例句
I've never been there, Robbie,
我从来没有去过那儿， Robbie
He might have been held up in a traffic jam.
他可能因交通阻塞而耽搁了。
That wasn't very clever! And you'd better take the shopping basket with you, too! said Mother.
“那是不够明智的！你最好顺便把购物篮子也带去！”妈妈说。