Apud
胺前体摄取与脱羧
🗣️ 情景例句
Mama, what are they doing to me? Help!
妈妈 ，他们在对我做什么？ 救命呀！
This lady is a rent collector.
这位女士是收租人。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，