n.（美式足球）（指挥进攻的）四分卫，枢纽前卫；vi.（美式足球）打四分卫，担任枢纽前卫；vt.指挥，组织； 变形： 复数：quarterbacks 英英释义： quarterback[ 'kwɔ:təbæk ]n.(football) the person who plays quarterback同义词：signal callerfield generalthe position of the football player in the backfield who directs the offen