He received a doctorate of philosophy in political science at Columbia University.他获哥伦比亚大学政治学博士学位.I graduated first in my class in political science.我学政治,毕业考头等的.Bob is best remembered for his work in economics, jurisprud...

political science的音标：political science的英式发音音标为：[pə'litikəl 'saiəns]political science的美式发音音标为：[pə'lɪtɪkəl 'saɪəns]...

n.政治学...