基本解释n.内酯同根派生 lactone相关词英汉例句用作名词 (n.)This is the large ring lactone class antibiotic.本品为大环内酯类抗生素。Study on Extraction and Separation of Lactone for Coix Lachrymajobi L.薏苡内酯的提取及分离纯化条件的研究。lactone更多例句