Polyethylene polyamine
[化] 多乙烯多胺
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
n. [化]聚胺,多胺
🗣️ 情景例句
I just can't bring myself to spend a month's salary on a pair of shoes.
我才不愿意把一个月的薪水花在一双鞋上。
No class!
真没水准！
How many players are there in a team?
一个队里有多少名队员？