a game played by two teams of 11 players on a rectangular field 100 yards long; teams try to get possession of the ball and advance it across the opponents goal line in a series of (running or passing) plays
American football的用法和樣例:
例句
Touch football is a favorite time killer. 打觸身式橄欖球是一種人們喜愛(ài)的消遣。