Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
I feel that too many people worry about how they look.
我感觉太多的人关注他们的外表。
How many workshops are there in your factory?
你们厂有多少车间？
Who's that?
那是谁呢？