Half life in a sentence

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Meena Thiruvengadam, Travel + Leisure, 22 Oct.

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25 and will take travelers from the center of London to the heart of Edinburgh in four-and-a- half hours. 2021 Passenger services on the all-electric, low-carbon train line are set to begin Monday, Oct. Recent Examples on the Web: Noun The finished product measures about four feet long and four-and-a- half feet high.