Polyethylene imine
[化] 聚环乙亚胺; 聚氮杂环丙烷
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
n. [化]亚胺
🗣️ 情景例句
What makes you work so hard?
什么使你这样卖命？
The shoes are worn-out.
这鞋已经不能穿了。
Men in shirt sleeves stood outside their houses and glared at us.
只穿着衬衣的男人们站在屋子外面凶狠地盯着我们，