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
then I've got to do some thinking about
那么我就必须考虑考虑
Rachel promised to listen for the telephone.
雷切尔答应要守着接听电话。
What do you think of his new job?
你对他的新工作看法如何？