Polyethylenes
(polyethylene 的复数) n. 聚乙烯\\n[化] 聚乙烯
🗣️ 情景例句
I also have a part-time job.
我还有一个兼职工作。
To really understand a man we must judge him in misfortune.
要真正了解一个人，需在不幸中考察他。
It seemed as if there was no way out.
看情形似乎没有出路了。