详细解释:n. 行星, 命运星辰, 杰出的人, 重大影响的事
词意辨析：
planet, star这两个名词均可表示“星”之意。
planet: 指围绕太阳运转的行星。
star: 多指恒星，也指天空中的群星。可引申指一切星状物或文体等领域中的知名人物。英语解释：
名词 planet:
(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同义词：major planet