Flavopereirine
[化] 美農(nóng)寧G(一種生物堿)
??? 情景例句
Is there a limit to how many I can purchase at this price?
我買這種東西在數(shù)量上有什么限制嗎？
He's studying his lesson.
他正在學習課程。
Yes. Wash your hands with soap at the end of your experiment.
可以。在實驗結(jié)束時要用肥皂洗手。