any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes
双语例句
用作名词 (n.)
The reduction of insoluble quinones to soluble hydroquinones and reoxidation in air to the quinone structure is the principle involved in dyeing cloth with"vat" dyes. 瓮染燃料对布料着色的原理在于不溶性醌类的还原和可溶性氢醌于空气中被再氧化至醌类结构。
