基本解释2甲4氯硫钠同根派生 Methin相关词英汉例句Abstract This paper reported the photo-oxidation of cyanine dyes with different conjugated methin length in different kinds of solvents. 摘要 研究了不同链长结构的恶唑类菁染料在不同溶剂中的光氧化反应。Methin更多例句