protein moleculeˈprəuti:nˈmɔlikju:l短语⁹⁰⁸⁸⁷⁺⁷ 基本英英例句 蛋白质分子 Noun: any large molecule containing chains of amino acids linked by peptide bonds An active protein molecule has three important levels of structure: primarythe amino acid sequence, determined by the genes; 有效的蛋白质具有三层重要结构:一级结构氨基酸序列由基因决定; tdict