Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
The Thanksgiving Day parade is always such great fun.
感恩节的游行总是如此有趣。
In for a penny,in for a pound.
做事一开头，就要做到底；一不做，二不休。
It was his job to repair bicycles and at that time he used to work fourteen hours a day.
他那时的工作是修理自行车，并且通常是一天工作14个小时。