Polyethylenes
(polyethylene 的复数) n. 聚乙烯\\n[化] 聚乙烯
🗣️ 情景例句
I have to remember to put them in the bag
我必须记得将它们放进袋子里
In the grave the rich and poor lie equal.
人到黄泉，贫富同眠。
She does not know London very well, and she lost her way.
她对伦敦不很熟悉，因此迷了路。