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

• 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。
• Under perimeter IP list and internal IP range configuration, click add.
  在“外围ip列表和内部ip范围配置”下，单击“添加”。
• The plane veered off the runway and careered through the perimeter fence
  飞机突然偏离跑道，高速冲过了周围的护栏。
• Some 300 trees have been ranged along the perimeter hedge
  沿着绿篱栽种着大约300棵树。
• 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。
• We have established a perimeter around the airport.
  我们在机场附近设好了防线。
• 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。
• He took some perimeter shots, but his jumping was restricted.
  他只是做了一些投篮的练习，但是跳动受到限制。
• One person's "security perimeter" is another's "broken network".
  一个人的“周边安全”，是另一种的“断网”。
• Perimeter columns and flat plate floor construction complete the system.
  边界柱和楼板完成了这个系统。