Title: Ke xue chao ru men
Description: Ben shu jiang shu le guan yu dian de yuan li. Nei rong bao kuo pi li pa la dian, Kuai chu lai ba!, Ding ding dang dang zhi zuo dian lu, Wan wan qu qu dian zou guo de lu deng.
Subjects: Ke xue zhi shi, Qing shao nian du wu, Dian xue