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'm happy to have this chance to meet with you. Mr. Howard Yang.
杨先生，非常高兴能有机会认识你。
Take care of the pence and the pounds will take care of themselves.
积少成多。
'No,' the patient answered, 'I am Mr.John Gilbert.'
“不是，”病人回答说，“我就是约翰。吉尔伯特先生。”