【一个人的毕业合影！北大古生物学学生毕业合影走红 专业全年级仅1人】In a class of her own!Peking University student Xue Yifan might look a little lonely in her graduation class photo. That's because she's the only student studying paleontology. 炫酷又孤单，复杂的毕业心情誰能懂[衰]
