众所周知,抗生素的功效是杀死细菌——虽然不同的抗生素对不同细菌攻击力不尽相同,但总体而言还是不加选择,对谁都有杀伤力的。在宿主(即细菌寄生的人和动物)的体内,会有各种各样的细菌,大多数与宿主相安无事,有一些甚至为宿主的健康作出一定贡献,被称为“益生菌”。还有一些细菌则会生成危害宿主健康的物 As we all know, the effectiveness of antibiotics is to kill bacteria - although different antibiotics attack different bacteria vary, but overall still have no choice but to anyone who lethal. In the host (ie, bacterial parasites of humans and animals) in vivo, there will be a variety of bacteria, most of them live in peace with the host, and some even make a contribution to the health of the host, known as the “probiotics ”. Still others produce something that can harm the host’s health