tetracycline
n. 四环素（抗生素的一种）
近义词：Achromycin，
英英释义
Noun
- an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
例句
用作名词(n.)
- Of the isolates tested, the percentage of strains resistant to Tetracycline was not applicable.测试样本中,对四环素的抗药性测试是不适用的。
- Tetracyclines may be used for either prevention or treatment of bacterial infections.可能用四环素类抗生素预防或治疗细菌感染。
- Tetracycline has no demonstrable effects on the central nervous system, neither has chloromycetin.四环素对中枢神经系统没有明显作用，氯霉素对中枢神经系统也没有明显作用。