Naphthoflavone
萘黄酮, 7, 8-苯并黄酮
🗣️ 情景例句
Let's see some action!
赶快行动起来吧！
I wrote to my uncle last night.I couldn't put it off any longer.
我昨晚给我的叔叔写了信.我不能再推迟寄信了。
The petrol had nearly all been used up.
汽油几乎已经用光。