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	ammo ammonia ammonite ammunition amnesia amnesiac amnesty Amnesty International amniocentesis amniotic fluid amoeba amoebic amok among amoral amorality amorous amorously amorphous amortization amortize Amos and Andy amount amour amp

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