perimeter
英 [pəˈrɪmɪtə(r)]
美 [pəˈrɪmɪtər]
n.  (土地的)外缘,边缘; 周长
复数:perimeters
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- Guards patrol the perimeter of the estate.
保安人员在庄园四周巡逻。 - a perimeter fence/track/wall
围绕四周的栅栏 / 小径 / 墙 
 - Guards patrol the perimeter of the estate.
 - 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.- ...the perimeter of the airport...
机场四周 - 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 perimeter of the airport...
 
英英释义
noun
- the size of something as given by the distance around it
 - a line enclosing a plane areas
 - the boundary line or the area immediately inside the boundary
 
双语例句
- 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。 - Liverpool also donated perimeter board advertising and a piece in the matchday programme to RBL.
利物浦还将利用球场广告板和比赛日节目单中的一页为RBL宣传和募捐。 - And LAPD has the perimeter?
lapd已经将其包围了? - 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。 - 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。 - We have established a perimeter around the airport.
我们在机场附近设好了防线。 - 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。 - 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。 - 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。 - 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”。 
