英语词汇leap second怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	leap second
释义	leap second 美/ li?p ?sek?nd / 简明释义闰秒：指为了补偿地球自转减慢而添加到协调世界时中的一个插入的秒，以保持协调世界时与太阳时间同步。专业释义 1 天文学闰秒 2 交通运输工程闰秒 3 计算机科学技术闰秒双语例句 1 Why does the world need leap seconds? 为什么世界需要闰秒？ 2 Greenwich Mean Time updated with leap seconds. 用闰表来测定的格林尼治时间。 3 Leap seconds were initially added at least once a year, but have slowed since 1979. 闰秒起先一年至少增加一次，但是自从1979年来就放慢了。
随便看	parallel-type inverter parallel-type substitution parallel-type worm parallel unconformity parallel underpick motion parallel unification parallel unisons parallel universe Parallel universes parallelus parallel valve magnet parallel variation parallel varying flow parallel vector parallel vector operation parallel vein parallel-veined parallel vein parallel veined leaf parallel-veined leaf parallel veins parallel venation parallel ventilation parallel ventilation branch parallel version

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