perimeter

英 [pəˈrɪmɪtə(r)]

美 [pəˈrɪmɪtər]

n.  (土地的)外缘，边缘; 周长

复数：perimeters　

CET6TOEFLIELTSGRETEM8医学

Collins.1 / BNC.8620 / COCA.6584

牛津词典

noun

• （土地的）外缘，边缘
  the outside edge of an area of land
  1. Guards patrol the perimeter of the estate.
     保安人员在庄园四周巡逻。
  2. a perimeter fence/track/wall
     围绕四周的栅栏 / 小径 / 墙
• 周长
  the total length of the outside edge of an area or a shape

柯林斯词典

• N-COUNT 外缘；边缘
  Theperimeterof an area of land is the whole of its outer edge or boundary.
  1. ...the perimeter of the airport...
     机场四周
  2. Officers dressed in riot gear are surrounding the perimeter fence.
     身穿防暴服的警察正在包围外围的栅栏。

英英释义

noun

• the size of something as given by the distance around it
  Synonym:circumference
• a line enclosing a plane areas
• the boundary line or the area immediately inside the boundary
  Synonym:marginborder

双语例句

• Officers dressed in riot gear are surrounding the perimeter fence.
  身穿防暴服的警察正在包围外围的栅栏。
• Somebody said a boat breached the perimeter.
  有人说一艘船突破了警界线。
• An organization's perimeter defense devices would be overwhelmed by a large attack.
  一个机构的周边防御设备会被大型攻击淹没。
• The guard suggested that they move to the public sidewalk at the Prune Yard's perimeter.
  卫兵建议说他们移动到PruneYard周围的公共人行道上。
• We have established a perimeter around the airport.
  我们在机场附近设好了防线。
• It's the perimeter that poses the greatest problem.
  就是大楼的周长造成了最大的问题。
• By night, the perimeter wire was illumined by lights.
  到了夜里，周遭的铁丝网都被灯光照亮。
• A fence marked the perimeter of the field.
  一道篱笆标明了那块田地的周界。
• The two men broke out of their cells and cut through a perimeter fence.
  这两个人逃出牢房，并越过了围墙。
• Staff withdrew from the main part of the prison but secured the perimeter
  工作人员从监狱的主要区域撤出，但外围仍派人守卫。