Polyethylenes
(polyethylene 的复数) n. 聚乙烯\\n[化] 聚乙烯
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
There is noaccounting for tastes.
人各有所好。
Realizing that this was no ordinary fish, the fisherman made every effort not to damage it in any way.
那位渔民意识到这根本不是一条普通的鱼，于是千方百计不让它受到丝毫伤害。