北大数学大神为何走哪都拎矿泉水?【词语拼音】: bei da shu xue da shen wei he zou na dou lin kuang quan shui
北大数学大神为何走哪都拎矿泉水?【词语简写】:bdsxdswhzndlkqs
北大数学大神为何走哪都拎矿泉水?【英文拼写】:Why does the great God of mathematics in Peking University carry mineral water everywhere?