【描述】2016 年4 月8 日, 第25 批援几内亚医疗队的医生李铭在几内亚首都科纳克里中几友好医院手术室，手把手传授当地医生儿童气管插管技能。
        
         Li Ming, a doctor of the 25th Chinese medical team to Guinea, explains to local doctors techniques of inserting a pipe into a child’s trachea, at an operation room in the China-Guinea Friendship Hospital in the capital city of Conakry, April 8, 2016.