核酸检测准不准?数学告诉你答案 Click Cancel Mute Play next after 5 s 核酸检测准不准?数学告诉你答案 | 2 years ago 5K | 2 years ago | Popular science 82 Share Teacher Lee Follow
08:07 How Over 2,000 Tons Of Gulal Are Produced in India For Holi | Big Business ScienceInsider 3.8K | 2 years ago
11:47 SpaceX Starship 24 Internal Failure, Starlink V2, Transporter 5, Starliner Return, Ingenuity Record Matt Lowne 3.2K | 2 years ago
11:46 Flying Cars? What Does The Future Technology Of Transportation Look Like? The Curiosity 4K | 2 years ago
15:40 10 Most Incredible Recent Archaeological Discoveries! Origins Explained Series 2.2K | 2 years ago
14:24 Space News: First Exoplanet In Another Galaxy, Blue Origin News, Proxima C. Signal Mystery & More The Curiosity 2.3K | 2 years ago