Word · Frequency #8620
Fully loadedperimeter
周界；周边；边缘
the boundary line or the area immediately inside the boundary
- 1.
The sum of the distance of all the lengths of the sides of an object.
物体各边长度之和。
- 2.
the boundary line or the area immediately inside the boundary
边界线或边界内的区域
- 3.
The length of such a boundary.
这种边界的长度。
- 4.
a line enclosing a plane areas
围绕平面区域的线
- 5.
The outer limits of an area.
区域的外边界。
- 6.
the size of something as given by the distance around it
通过周长给出的物体大小
- 7.
A fortified strip or boundary usually protecting a military position.
通常用于保护军事阵地的设防地带或边界。
- 8.
An instrument for determining the extent and shape of the field of vision.
用于测定视野范围和形状的仪器。
物体各边长度之和。；边界线或边界内的区域；这种边界的长度。；围绕平面区域的线；区域的外边界。
In use
We walked around the perimeter of the lake before having lunch.
A low hedge defines the perimeter of the garden.
The fence follows the perimeter of the property.
the perimeter of [noun]
表示物理边界。
The perimeter of the property is marked by a fence.
该物业的周界由栅栏标出。
within the perimeter of [noun]
表示在边界内部区域。
All vehicles must remain within the perimeter of the base.
所有车辆必须停留在基地周界内。
secure the perimeter
军事或安保常用搭配。
Connections
Collocations
- defensive perimeter
- 防御周界
- The troops established a defensive perimeter around the base.部队在基地周围建立了防御周界。
- perimeter fence
- 周界围栏
- The intruder climbed over the perimeter fence.入侵者爬过了周界围栏。
- perimeter security
- 周界安全
- They tightened perimeter security after the threat.他们在受到威胁后加强了周界安全。
- perimeter wall
- 围墙
- The ancient city had a high perimeter wall.古城有一道高围墙。
- perimeter patrol
- 周界巡逻
- Guard dogs are used for perimeter patrol.警犬用于周界巡逻。
- perimeter of the field
Learner notes
Memory Tip
联想：'peri'像'周围'，'meter'是'米尺'，合起来就是测量周围的长度。
Context & Register
语域：neutral 常见场景：geometry、security、sports 通常用于数学几何、安防或体育等正式或技术性语境，日常生活中较少单独使用
Pronunciation & Spelling
These words share the spelling ending '-meter' and a similar stress pattern on the second syllable. However, note that 'perimeter' has /-mətər/ (with schwa) while most of these have /-mɪtər/ or /-mɑːmɪtər/, so they are not perfect rhymes.
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.