| 单词 | Calippic Period |
| 释义 | Calippic or Callippic Period /ka-lipˈik pērˈi-əd/nounThe cycle discovered by the Athenian astronomer Kal(l)ippos (c.350BC) equalling four Metonic cycles less one day, or a period of seventy-six years, when the new moons fall on the same days of the year |
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