名词 asteroid:

1. any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

asteroidn.小行星；海盘车adj.星状的asteroid bodies星形小体asteroid stream小行星流asteroid network星型网络asteroid hyalitis星形玻璃体炎asteroidal theory小行星学说asteroid hyalosis星状性玻璃体病变asteroid-hyalitis星状玻璃体炎asteroid astrometry小行星天体测量asteroidal dynamics小行星动力学asteroid tissue form星状组织型

1. The debris from the colliding asteroids fell to the Earth.
   小行星间碰撞后崩落的碎片落入地球。
2. Asteroids are leftover scraps of planetary material.
   小行星是行星物质的残余废坯。
3. Echinoids are close relatives of the Asteroids.
   海胆是海星的近亲。