名词 planet:

1. (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction

2. a person who follows or serves another

3. any celestial body (other than comets or satellites) that revolves around a star

planetn.行星planetablen.平板仪planetfall着陆planet pin行星齿轮轴Planet-A行星A,日本行星探测器planet Zog远离现实的地方planetwiden.整个行星planetoidaladj.小行星的(类似行星的物体)planet gear行星齿轮planetologyn.[天]行星学planetmotor掘进机星轮马达

1. The sun and the planets are heavenly bodies.
   太阳和行星都是天体。
2. Life on other planets is a possibility.
   其他行星上有生命是可能的。