defensive backfield編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看defensive backfielddefensive backfield — 名詞名詞1. the area of a football field defended by the defensive backs1.名詞釋義防守後場the area of a football field defended by the defensive backs例句The quarterback threw a pass deep into the defensive backfield.