noun地区,区域;地方,场地;(物体上的)区,部位;领域,方面;面积
nouna part of a town, country or the world
nouna space that you use for a particular activity
nouna particular place on an object
nouna particular subject or activity, or a part of it
nounthe size of a flat place. If a room is 3 metres wide and 4 metres long, it has an area of 12 square metres.