Polyethyleneimine
聚乙烯亚胺
🗣️ 情景例句
If the fact is published, it will ruin your reputaiton.
一旦公布事实真想就会毁了你的名誉。
The moment John saw Mary, he fell head over heels in love with her.
约翰对玛丽一见倾心，给她弄得神魂颠倒了。
There is another good reason for taking a part-time job.
干兼职工作还有一条充分的理由。