单词：planets
n. a person who follows or serves another
n. any celestial body (other than comets or satellites) that revolves around a star
planets的用法和样例：
例句
- The sun and the planets are heavenly bodies.太阳和行星都是天体。
- Life on other planets is a possibility.其他行星上有生命是可能的。
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By David McAlary Was 16 August 2006 Artist's rendition of solar system There may soon be three new planets in our solar system. The expansion would be the result of a proposed new definition of what a planet is. The change is controversial, but if a
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