Naphthoflavone
萘黄酮, 7, 8-苯并黄酮
🗣️ 情景例句
Eleven o'clock, approve the sketches for the toy spaceship.
十一点钟， 批示玩具太空船的草图。
What are you doing?
你正在做什么？
OK. I'll do that.
好的，我会做的。