Flavol
黄醇, 1, 3-蒽二酚
🗣️ 情景例句
I go camping in the mountains to enjoy the fresh air.
我去山中宿营以享受新鲜的空气。
Why are you frustrated?
你为什么失败？
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。