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

• This is phoenix. we've reached the perimeter.
  我是菲尼克斯。我们靠岸了。
• 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。
• Perimeter columns and flat plate floor construction complete the system.
  边界柱和楼板完成了这个系统。
• The plane stalled,# cc0066>flipped over onto its back and crashed near the perimeter.
  飞机失速了，翻了一个跟头，坠毁在机场环形围栏附近。
• 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。
• In the same way, the bedrooms face a garden enclosed by the building and the perimeter wall.
  以同样的方式，卧室都面临着建设和围墙内的一个花园。
• 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。
• We have established a perimeter around the airport.
  我们在机场附近设好了防线。
• To further understand the concept of a circle, distinguish the perimeter and the area of a circle.
  进一步熟记圆的概念，区分圆的周长和面积。
• It's the perimeter that poses the greatest problem.
  就是大楼的周长造成了最大的问题。