Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
Fame is a magnifying glass.
名誉是放大镜。
I must always keep on trying to do my best.
我必须始终继续作出最大的努力。