| 词汇 | Metonic cycle |
| 释义 | Metonic cycle /mәˏtɑnɪk`/ n. A period of 235 synodic months, or approximately nineteen years, at the end of which the new moon recurs on the same day of the year at nearly the same time of day. 【天】默冬章(约十九年反覆一次的周期，期内每年新月出现的日期与前后周期相同)。 |
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