n.阴历月...

lunation的音标：lunation的英式发音音标为：[lu:'neɪʃən]lunation的美式发音音标为：[lu'neɪʃən]...

interlunation的音标：interlunation的英式发音音标为：[ɪntə(:)lju:'neɪʃən]interlunation的美式发音音标为：[ˌɪntəlu'neɪʃən]...

n.无月期间，黑暗时间，空挡...

Applying tropical year and lunation, the exchange formula of calendar and solar calendar could be derived.以回归年和朔望月为基础, 推导出阴、阳历日期换算公式....