英语词汇“leap second”是什么意思，“leap second”的读音、用法及例句翻译-烛光网

词汇	leap second
释义	leap secondn.（名词） A second of time, as measured by an atomic clock, added to or omitted from official timekeeping systems annually to compensate for changes in the rotation of Earth.闰秒：由原子钟计量的，每年向官方的计时系统中增加或扣除的一秒时间，以补偿地球自转过程中产生的变化
随便看	soothsay soothsayer soothsaying soothsaying soothsays sootied sootier sooties sootiest sooting soots sooty sooty grouse sootying sooty mold sooty petrel sooty shearwater sooty tern sop SOP sop. sopaipilla sopaipillas sopapilla soph.

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