释义 |
小行星xiǎoxíngxīng太阳系中,沿椭圆形轨道绕太阳运行而体积小,从地球上肉眼不能看到的行星。大部分小行星的运行轨道在火星和木星之间。{minor planet; asteroid; planet that revolves along an elliptical orbit around the sun in the solar system but is too small to be seen from the Earth by the naked eye. Most of the minor planets travel between Mars and Jupiter.} |