单词	ground zero
释义	ground zeroˌground ˈzero noun [uncountable] the exact place where a bomb explodes:  Buildings within 25 km of ground zero would be flattened.
随便看	overfill overfishing overflow overfly overground overgrown overgrowth overhand overhang overhaul overhead overhead projector overhear overheat overheated overhung overindulge overindulgence overjoyed overkill overladen overlaid overland overlap overlay

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