Fluoflavin
荧黄素
🗣️ 情景例句
Okay, hold on a second. I'll talk to him.
好的，我跟他说，你等一下。
She requests your presence at the conference.
她恳求你们参加会议。
They have nothing to sell and require nothing from others.
他们既不出售任何东西，也不需要从别人那儿得到任何东西，