大眾科普一束光線的命運！關了手電筒，光線消失還是繼續傳播？ Turn off the flashlight, will the light still disappear? 0 一束光線的命運！關了手電筒，光線消失還是繼續傳播？ Turn off the flashlight, will the light still disappear? 宇宙视觉 頻道 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related
