英语词汇“primary body”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	primary body
释义	primary body primary body [′prī‚mer·ē ′bäd·ē] (astronomy) The celestial body or central force field about which a satellite or other body orbits, or from which it is escaping, or toward which it is falling.
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