second
plural of PUP
plural of bell gable
One-sixtieth of a minute; the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground ...
A suburb of Dewsbury, Metropolitan Borough of Kirklees, West Yorkshire, England (OS grid ref SE2420).
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DiQt(ディクト)
無料
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