天王星环 meaning in Chinese
rings of uranus
uranian ring
Examples
- This may be why uranus ' s rings are slightly out of round : their self - gravity resists the tendency to smear into a circular band
或许这就是为何天王星环不是那麽的圆：环内的重力在对抗要扩散成圆带的倾向。
rings of uranus
uranian ring