region                
noun [ C ] uk/ˈriː.dʒən/ us/ˈriː.dʒən/
B1 区域,地区;(国家的)行政区
a particular area or part of the world, or any of the large official areas into which a country is divided
  one of China's autonomous regions 中国的自治区之一 
 the Nordic/Asia-Pacific region 北欧/亚太地区 
 the Basque region 巴斯克地区 
  (一个国家内)有…特色,以…知名的地区
an area of a country, especially one that has a particular characteristic or is known for something
  a wine/farming region 葡萄酒产区/农业区 
 mountainous/coastal regions 山区/沿海地区 
 There's a shortage of cheap housing in the region. 这一地区缺少廉价住房。 
  (身体)部位
a particular part of someone's body
  He said he had sharp pains in the stomach region/the region of the stomach. 他说他的胃部剧痛。 
 in the region ofC1 大约,…左右
approximately
  They estimate that the temperature yesterday was (somewhere) in the region of -30°C. 他们估计昨天的气温在零下30摄氏度左右。 
 It will cost something in the region of $1 million. 花费估计为100万美元左右。 
 It says on the website "Currently accepting offers in the region of £700,000."
 The fees were thought to be somewhere in the region of $70,000.
 It's estimated that the writer's diary will fetch in the region of $30,000 at auction.
 She accepted a payoff which was reportedly in the region of £2 million.
 - More examples
 - The war is threatening to engulf the entire region.
 - Grapes from this region are freighted all over the world.
 - There's a shortage of cheap housing in the region.
 - The army has been brought in to maintain order in the region.
 - There's a clear distinction between the dialects spoken in the two regions.