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

• After that I opened the East perimeter fence.
  之后，我打开了东面的围墙。
• 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”。
• 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。
• 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。
• 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。
• We have established a perimeter around the airport.
  我们在机场附近设好了防线。
• 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”。
• 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。
• These outdoor luminaires were designed for perimeter security illumination and also incorporate occupancy sensors to properly manage energy usage.
  这些户外照明专门为边界安全照明设计，和传感器一起实现妥善地管理能源使用。
• This is phoenix. we've reached the perimeter.
  我是菲尼克斯。我们靠岸了。