17年下来，按刘振洪自己的说法，他已经从当初出于怜悯收养流浪狗进化成“半个专家和兽医”，给狗防疫注射和一般性的治疗都自己搞定。[视觉中国]
Through 17 years, Liu has learned to give vaccine injections to dogs and treat the dogs if they are ill with minor diseases. [Photo/VCG]