英语词汇“periastron”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	periastron
释义	peri·as·tron \\|perē\|astrən, -ˌsträn\ noun (plural perias·tra \-_strə\) Etymology: New Latin, from peri- + Greek astron star — more at star : the point in the orbit of a star or other celestial body where it is nearest to the primary star with reference to which it is revolving < the periastron of a comet > — compare apastron
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