剧情：
Horizon goes behind the scenes at NASA as they countdown to the landing of a 2.5 billion-dollar rover on the surface of Mars. In six days time, the nu[展开全部]
Horizon goes behind the scenes at NASA as they countdown to the landing of a 2.5 billion-dollar rover on the surface of Mars. In six days time, the nu[展开全部]
第一步
将电视/盒子、手机连接到同一WIFI下；
第二步
在视频播放页面，找到图标，从列表中选择需要投屏的设备即可投屏成功；
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