1 [C] a part of a town, a country or the world 地区: Housing is very expensive in the Tokyo area. 东京地区的房屋非常昂贵。The wettest areas are in the West of the country. 最潮湿的地区在那个国家西部。built-up areas (= where there are a lot of buildings) 建筑物林立的地区Forests cover a large area of the country. 该国大片地区为森林覆盖。 ☞Look at the note at district. 参看 district 的注释。

2 [C,U] the size of a surface, that you can calculate by multiplying the length by the width 面积: The area of the office is 35 square metres. 办公室的面积是35平方米。The office is 35 square metres in area. 办公室的面积是35平方米。 ☞Look at volume. 参看 volume。

3 [C] a space used for a particular activity 作特别用途的空间: The restaurant has a non-smoking area. 那家餐厅有禁烟区。

4 [C] a particular part of a subject or activity （课题或活动的）一部份，方面: Training is one area of the business that we could improve. 培训工作是我们公司的业务有待改进的地方。