Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
What a downpour!
下得可真够大的！
It is lost labour to sow where there is no soil.
没有土壤，播种也是徒劳。
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。