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
I can't stand the commercial breaks on TV.
我忍受不了电视因为卖广告而中断节目。
Everyone is dissatisfied with his own fortune.
人对自己的命运总不感满足。
He has been sick for three weeks.
他已经病了几周了。