dihydroxyhomotyrosineWiktionary 原文英美构词拆解didi-前缀hydroxyhydroxy-前缀homotyrosinehomotyrosine词干di-Two. · Double, twice the quantity.hydroxy-(chemistry) having, or derived from, a hydroxyl radical词源说明From di- + hydroxy- + homotyrosine.释义名词noun1(organic chemistry) A derivative of homotyrosine with two hydroxy groups. Usually in the 3 and 4 position.同族词派生词 1N-acetyl-dihydroxyhomotyrosine