企鹅FM节目方舟子讲科学第63讲:美国为什么经常发生大型枪击案?

http://fm.qzone.qq.com/luobo/radio?_wv=4097&showid=rd000VNyUd20Pu9y&aid=rd001USq1949X1mp

(XYS20160619)

This site is supported by ebookdiy.com.

Be the first to comment

Leave a Reply