英语词汇“periastral”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	periastral
释义	WordReference Random House Unabridged Dictionary of American English © 2024 per•i•as•tron (per′ē as′trən, -tron),USA pronunciation n., pl. -tra (-trə).USA pronunciation [Astron.] Astronomythe point at which the stars of a binary system are closest (opposed to apastron). peri- + Greek ástron star; modeled on perihelion 1850–55 per′i•as′tral, adj.
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