突破口语之独白(3):Space Shuttle Columbia Crashed 美国哥伦比亚号航天飞机坠毁
Flagsflyathalf-staffatthebaseoftheWashingtonMonumentinmemoryofthosewhoperishedaboardthespaceshuttleColumbiaSaturday,Feb.1,2003,inWashington.SpaceshuttleColumbiabrokeapartoverEastTexasasitpreparedtolan...