0 seconds
0 seconds
Copy embed code
Picture in Picture
Keyboard shortcuts
TAP TO UNMUTE
0:00
Play(k, Space)
Mute (m)
0%
0:00
/
0:00
Loop: Off
Autoplay is on
Playback settings
Playback speed
Normal
0.25x
0.5x
0.75x
Normal
1.25x
1.5x
1.75x
2x
Quality
Auto
Auto
Advanced
Use native captions
Fullscreen(f)
权威解读：星际旅行、恒星、外星人，科谱巨著，天文学家卡尔·萨根《宇宙》
Video Views
Nov 28, 2023
读书时间
41
Follow
Annual Plan Holiday Offer
30% Off
Save 30%
Limited-time
Only $58/year
Get Offer
