Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
He's busy preparing for class.
他忙着准备功课。
They say we're going to get some rain later.
据说待会儿要下雨。
Yesterday afternoon Frank Hawkins was telling me about his experiences as a young man.
昨天下午弗兰克。霍金斯向我讲述了他年轻时的经历。