ApowerfulearthquakestruckthenortheasterncoastofJapanatt...
問題詳情：ApowerfulearthquakestruckthenortheasterncoastofJapanattwoforty-sixp.m.localtimeonMarcheleventh.2011.Japan'sMeteorologicalAgencyreleaseditsfirsttsunami（海嘯）warningsjustthreeminuteslater.Thecoun...