基本解释n.內酯同根派生 lactone相关词英汉例句用作名詞 (n.)This is the large ring lactone class antibiotic.本品爲大環內酯類抗生素。Study on Extraction and Separation of Lactone for Coix Lachrymajobi L.薏苡內酯的提取及分離純化條件的研究。lactone更多例句