touchback
美 ['tʌtʃˌbæk] 
英 ['tʌtʃbæk] 
- un.守门队员持球触地
 - 网络橄榄球人生;回阵;达阵
 
复数:touchbacks  
n.  | 1. in football, a play in which the defense recovers and downs a ball that has been kicked or passed into its end zone  | 
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