area 做什么时候可数!?

这是可数情况1

a particular part of a country, town etcin an areaOnly cheeses made in this area may be labelled 'Roquefort.'There were over 2 inches of rain in coastal areas .area ofa working-class area of Birmingham Many areas of Africa have suffered severe drought this year.a rural area (=countryside) of woodlands and fields Crime rates are significantly higher in urban areas (=towns, cities etc) . The police have searched the farm and the surrounding area (=the area around it) . children from the local area a residential area of the town2a part of a house, office, garden etc that is used for a particular purposea no-smoking area Their apartment has a large kitchen area . Come through into the dining area . the reception area of the hotel a storage area on the ground floor3a particular subject, range of activities, or group of related subjectsThe course covers three main subject areas . This study has clearly identified a major problem area for the National Health Service. We're funding research into new areas such as law enforcement technology.area ofreforms in the key areas of health and education4the amount of space that a flat surface or shape coversarea ofan area of 2,000 square miles a formula to calculate the area of a circle