单词
parsec
英 ['pɑːsek] 美['pɑr,sɛk]
基本信息
英英释义 实用场景例句
  • n. 秒差距（表示天体间距离的单位）

英英释意

1. a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
parsec相关单词
parsec
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