环丙沙星广泛的组织渗透作用与其增强的抗菌作用相结合，使得它能够被单独应用或是与其他抗生素一起使用。
The extensive tissue penetration of ciprofloxacin combined with its enhanced antibacterial activity, enables it to be used alone or in combination with other antibiotics.
酮内酯类抗生素在对付耐药菌方面作用突出，是最有希望的新型抗菌药物。
Ketolide antibiotics are prominent role in the flight against drug-resistant, and are the most hopeful antibiotic.
抗菌机制研究表明：大环内酯抗生素的作用靶点位于50S亚基肽通道的出口处，紧邻肽酰转移酶中心。
The mechanism of macrolide's action indicates that the binding sites of macrolides are located inside the nascent peptide exit tunnel of the ribosomal 50S subunit near the peptidyl transferase center.
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