metonic cycle

美

英

英英

n.	1. a cycle of 235 lunar months, after which the phases of the Moon occur on the same days of the month as they did at the start of the cycle

随便看

英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。