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
As a matter of fact,
事实上，
What's the temperature today?
今天的温度是多少？
You have my word.
我保证。