Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
Do you live across from the Public Hall?
你在大会堂对面居住吗？
We're not treated as equal citizens.
我们没有被当作平等公民对待。