单词	Petra
释义	PetraPet‧ra /ˈpetrə/ an ancient city in Jordan, where buildings are cut into pink-coloured rock. It is sometimes called ‘the rose-red city, half as old as time’, and is visited by many tourists.
随便看	rubber dinghy rubberneck rubbernecker rubber plant rubber-stamp rubber stamp rubbery rubbing rubbing alcohol rubbish rubbishy rubble rubdown rube Rube Goldberg rubella Rubens, Peter Paul Rubicon rubicund Rubik's Cube ruble rubric ruby Ruby, Jack RUC

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