Metonic cycle

名词 n.
中文释义
发音 /mĕtŏnĭk sīkl/

英文释义

名词 n.
  1. A particular approximate common multiple of the tropical year and the synodic month; in other words, the 19-year period over which the lunar phases occur on the same dates.
    — According to the Metonic cycle, a lunar calendar begins on the same solar date every 19 years.

词形变化

Metonic cycles plural
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