periastron / ˌpɛr iˈæs trən, -trɒn /

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periastron 的定义

n. 名词 noun

plural per·i·as·tra [per-ee-as-truh]. /ˌpɛr iˈæs trə/. Astronomy.

  1. the point at which the stars of a binary system are closest.

更多periastron例句

  1. At least, the periastron effects; there was another angle to it.