/fi:ld ||; fild/noun[C] 1 an area of land on a farm, usually surrounded by fences or walls, used for growing crops or keeping animals in 田地；牲畜圈
2 an area of study or knowledge 研究或知识领域: He's an expert in the field of economics. 他是经济学专家。That question is outside my field (= not one of the subjects that I know about). 那问题超出了我的本行。
3 an area of land used for sports, games or some other activity （运动、游戏或其他活动的）场地: a football field 足球场an airfield (= where aeroplanes land and take off) 飞机场a battlefield 战场 ☞Look at pitch. 参看pitch。
4 an area affected by or included in sth 受影响的区域；有效的范围: a magnetic field 磁场It's outside my field of vision (= I can't see it). 它超出了我的视野。 ☞picture at magnet 见magnet插图
5 an area of land where oil, coal or other minerals are found 矿产地；矿区；油田: a coalfield 煤田a North Sea oilfield 北海油田