彭斯副总统在第34届太空研讨会上发表讲话 Vice President Mike Pence Delivers Remarks at the 34th Space Symposium 视频格式SCIENCE科技VIDEO视频 By AMTV 0 https://www.amtvusa.com/wp-content/uploads/2018/04/1C21A9CC-D298-4011-AF06-5559DDBB8391.mp4 全美电视台国际频道 0 分享按钮
