Flavopereirine
[化] 美农宁G(一种生物碱)
🗣️ 情景例句
Is there a limit to how many I can purchase at this price?
我买这种东西在数量上有什么限制吗？
He's studying his lesson.
他正在学习课程。
Yes. Wash your hands with soap at the end of your experiment.
可以。在实验结束时要用肥皂洗手。