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
Then you'll see a big old red barn.
然后你就会看到一座旧的红色大粮仓。
When a dog is drowning everyone offers him drink.
落井下石。
So she was first in the queue. She sat nearest to the doctor's door.
所以她第1个排队。她坐的位子靠医生的门口最近。