Polyethylenes
(polyethylene 的复数) n. 聚乙烯\\n[化] 聚乙烯
🗣️ 情景例句
Besides Chinese New Year, what are the other festivals according to the Lunar Calendar?
农历新年以外还有什么节日？
Factories employ both male and female workers.
工厂雇用男性和女性的工人。
Hello, Helen. Hello, Jim.
你好，海伦。你好，吉姆。