major planet

n. 大行星

词形变化

动词过去式: majored | 动词过去分词: majored | 动词现在分词: majoring | 动词第三人称单数: majors |

英英释义

名词 major 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：planet

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