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

• Bill, I need you to set up a perimeter around his house.
  比尔，我要你在他家附近设置警戒圈。
• Perimeter columns and flat plate floor construction complete the system.
  边界柱和楼板完成了这个系统。
• And LAPD has the perimeter?
  lapd已经将其包围了？
• It's the perimeter that poses the greatest problem.
  就是大楼的周长造成了最大的问题。
• Somebody said a boat breached the perimeter.
  有人说一艘船突破了警界线。
• 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。
• They ended up ripping down perimeter fencing and tussling with the security staff
  最终他们拆毁了四周的围栏，与保安人员厮打起来。
• Geometric data of ellipse in hyperbolic space are considered, such as perimeter and mean absolute curvature.
  在双曲空间中，对椭圆的周长及平均绝对曲率做出细致考察。
• Refer to the area crossing the perimeter palisades or limited by the white stake.
  指越过周边栅栏或被白色的立桩限定的区域。
• Activities funded include information technology security, bio-identification, perimeter surveillance and weapons detection.
  吸引到资金的领域包括信息技术安全、生物识别、周界监视和武器探测等。