在密云县大城子中心小学,有一对姐妹花——王嘉婕、李雅静,她们五年如一日,照顾身患小儿麻痹症的同班同学孙可心。“能给可心带来快乐,我们也很快乐,很幸福!”姐妹花由衷地说。每天早晨,王嘉婕、李雅静这对姐妹花从孙可心父亲的肩上接过瘦小的孙可心,开始一天的学习生活。孙可心行动不便,基本不能自理,姐妹花就轮流背着她“行走”。最初,姐妹花轮流背着孙可心,三年前,二人开始用轮椅推着她。教室里、热闹的操场上、食堂中……哪怕是 At Miyakono Ayutthaya Elementary School, there is a pair of sisters - Wang Jiajie and Li Yajing who take care of polio classmate Sun Kexin every five years. “Can give happiness to the heart, we are also very happy, very happy!” Sister flowers sincerely said. Every morning, Wang Jiajie and Li Yajing, the sisters, took over the small Sun Kexin from Sun Kexin’s father’s shoulder and started their day’s study and life. Sun Kexin movement, the basic can not take care of themselves, sisters took turns carrying her “walking ”. Initially, sisters took turns carrying Sun Kexin, three years ago, two people began pushing her in a wheelchair. In the classroom, on the lively playground, in the cafeteria ... even if it is