Polyethylene disulfide
[化] 聚二硫化乙烯
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
(=disulphide) n.二硫化物
🗣️ 情景例句
I've been busy all day.
我今天一整天都非常忙。
It can't be helped.
没办法了。
No. She's wearing green trousers, and a yellow sweater.
不。她穿绿色裤子，黄色毛衣。