关于backfield的百科

• backfield造句怎么写

• (football)apersonwhoplaysinthebackfield.Thebackfieldplayerwhosepositionisbehindthelineofscrimmageandwhousuallycallsthesignalsfortheplays.thepositionofthefootballplayerinthebackfieldwhodirectstheoffensiveplayofhisteam.Anoffensivebackfieldplayerwhosepo...
• 2018-09-0717981