Adjective:

1. toward or in the defending team's end of the playing field;

   "he threw to a downfield receiver"
   

Adverb:

1. toward or in the defending team's end of the playing field;

   "he caught the ball and ran downfield 15 yards"
   

Downtonn.唐顿downadv.向下prep.沿着 ... 而下adj.向下的；消沉的；无礼的n.绒毛；汗毛v.击倒；打败；吞下；被抑制Downrange Computer Input System弹道下段射程计算机输入系统Down-flow constructed wetland下行流人工湿地Down bamboo-truncating portal逆斜切式隧道门downlink transmission technique下行传输技术Down flowed the brown cascade.那棕色瀑布一下子就流淌下来。Down load equivalent outage hour减低出力等效停运小时数Down-hole millisecond blasting孔内毫秒爆破down-to-floor lattice window落地花格窗down-path frequency assignment下行线频率配置down and feather filled products羽绒制品