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	orangutang oration orator oratorical oratorio oratory orb Orbison, Roy orbit orbital orbiter orchard orchestra orchestral orchestra pit orchestrate orchestration orchid ordain ordeal order order book ordered ordering orderliness

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