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

• It's the perimeter that poses the greatest problem.
  就是大楼的周长造成了最大的问题。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• A fence marked the perimeter of the field.
  一道篱笆标明了那块田地的周界。
• 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”。