Shou ku shou nan de ke xue jia
by A. nuo de, Deng qi ren
Cong gu xi la ke xue xian qu dao xian dai ke xue tian cai, Cong ju you hua shi dai yi yi de ke xue da shi dao ke xue jia bu wei ren zhi de shi bai, Zai ben shu zhong ying you jin you.
Scientists