Flavaniline
黄苯胺, 2-对氨苯基-4-甲基喹啉
🗣️ 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？
Are you finished?
请问您还用吗？
He said he was educated in the United States.
他说他是在美国受的教育。