kallen 基本例句 n.卡伦 “ The difference between this staph bacteria and other staff bacteria is that it tends to be resistant to some of the common antibiotics that we use to treat these infections,” Dr. Kallen noted. 卡伦医生说：“这种葡萄球菌和其它细菌的不同之处在于，它对一般我们用来治疗这类感染的抗生素有抗药性。” www.voanews.com.cn