Acrasin
n. [生化]聚集素
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
How fierce can a lion be without his teeth?
没有牙的是狮子也可怕吗？
We also want to teach all the children to perform.
我们还想教会所有的儿童演奏。