Rhamnetin
[化] 鼠李亭; 鼠李醚; 栎精-7-甲基醚
🗣️ 情景例句
Your English is very good.
你的英语说得很好。
Why didn't you do it?
为什么你不做？
What was the population of the world in 1950?
1950年世界人口是多少？