| 单词 | 四环素 |
| 释义 | 〔doxycycline〕A broad-spectrum antibiotic, C22H 24N 2O 8, derived from tetracycline. 强力霉素：一种用途广泛的抗生素C22H 24N 2O 8，从四环素衍生而来 〔tetracycline〕A yellow crystalline compound, C22H 24N 2O 8, synthesized or derived from certain microorganisms of the genus Streptomyces and used as a broad-spectrum antibiotic. 四环素：黄色结晶化合物，C22H 24N 2O 8，人工合成或得自 链霉菌 属微生物，并用做广谱抗生素 〔tetracycline〕An antibiotic, such as chlortetracycline and oxytetracycline, having the same basic structure.四环素类抗生素：有同样基本结构的抗生素，如氯四环素和氧化四环素 |
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