单词	paving stone
释义	paving stoneˈpaving stone (also ˈpaving slab British English) noun [countable] Examples EXAMPLES FROM THE CORPUS As they do so they step on a large paving stone, one which differs from its fellow stones by being black. one of the flat pieces of stone that are used to make a hard surface to walk on
随便看	upper-class upperclassman upperclasswoman upper-crust upper crust uppercut Upper East Side Upper House uppermost upper school Upper Volta Upper West Side uppity upraised upright uprightness upright piano uprising upriver uproar uproarious uproariously uproot UPS upscale

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