any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes
造句
用作名詞(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. 甕染燃料對布料著色的原理在于不溶性醌類的還原和可溶性氫醌于空氣中被再氧化至醌類結構。