Violanthrone
蒽酮紫(紫色还原染料)
🔁 扩展释义
【化】 紫蒽酮
🗣️ 情景例句
Something old ...
旧的东西……
If the old dog barks,he gives counsel.
老狗叫，是忠告。
In the meantime, the lorry driver had to sweep up hundreds of broken bottles.
在这段时间里，卡车司机不得不清扫那几百只破瓶子。