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单词 saros
释义 saros/ˈsɛərɒs/n. Astron. a period of about 18 years between repetitions of eclipses 【天】沙罗周期( 18 年一次) [Greek from Babylonian šɑˉr(u) ‘3,600 (years)’: the sense apparently based on a misinterpretation of šɑˉru as approximately 18.5 years]
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