Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
The girls learned a great deal.
女孩们学到了许多东西。
She's always helping people.
她总是帮助别人。[现在进行时]
How many musicians are you bringing?
你打算带多少乐师来？