drug resistance短语⁶⁹⁰⁶⁰ 基本例句 药物抗性 Concerning drug resistance, few countries have national policies for the diagnosis and treatment of MDR- TB; even in those that do, treatment commonly fails to meet acceptable standards. 关于抗药性，少数国家已制定诊断和治疗多药物抗药性结核的国家政策；即使在已有政策的国家，治疗普遍未能达到可接受的标准。 who