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	singularly Sinhalese sinister sink sinker sinking fund sinner Sinn Féin Sino- sinuous sinuously sinus sinusitis Sioux sip siphon sipping lid sir sire siren Sir Gawain and the Green Knight Sirhan Sirhan Sir Humphrey sirloin sirocco

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