perimeter

英式音标：[pəˈrɪmɪtə(r)]

美式音标：[pəˈrɪmɪtɚ]

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概况：

n. 周长；周界；[眼科] 视野计

词义：

n.

周长；周围，边界；

变形

复数：perimeters

英英释义

perimeter[ pə'rimitə ]

n.

the boundary line or the area immediately inside the boundary

同义词：marginborder

a line enclosing a plane areas

the size of something as given by the distance around it

同义词：circumference

用法：

词组短语

wetted perimeter[地]湿周

perimeter blasting光面爆破；周边爆破；巷道周边爆破法

双语例句

用作名词(n.)

Work out how long the perimeter of the playground.
请你算一算体育场的周长是多少米?

Guards patrolled the perimeter of the airfield.
卫兵沿机场四周巡逻。

A fence marked the perimeter of the field.
一道篱笆标明了那块田地的周界。

The barbed wire fence round the perimeter discouraged intruders.
周围有铁丝网阻止了外人闯入。

Traps for predators were set around the perimeter.
四周都挖好了捕捉猎物的陷阱。

权威例句

Perimeter stacking system and method

Area-perimeter relation for rain and cloud areas

Greedy Perimeter Stateless Routing for Wireless Networks

DIE COAT PERIMETER TO ENHANCE SEMICONDUCTOR RELIABILITY

GPSR: greedy perimeter stateless routing for wireless networks

Light diffuser containing perimeter light director

A large particle associated with the perimeter of the nuclear pore complex

The use of the internal perimeter to compare airway size and to calculate smooth muscle shortening

A new approach to variable-topology shape design using a constraint on perimeter

Effects of eight weeks of TRX versus traditional resistance training on physical fitness factors and extremities perimeter of non-at...

同义词：girth,circumference

英语词源：

perimeter (n.)

early 15c., "line around a figure or surface," from Latin perimetros, from Greek perimetron "circumference," from peri- "around" (see peri-) + metron "measure" (see meter (n.2)). Military sense of "boundary of a defended position" is attested from 1943.

造句：

1. Drinks in hands, they wandered around the perimeter of the ball field.

他们手里拿着饮料在球场周围漫不经心地遛跶。

-- 来源 -- 英汉 - 辞典例句

2. Guards patrolled the perimeter of the airfield.

卫兵沿机场四周巡逻.

-- 来源 -- 英汉 - 辞典例句

3. Guards had been posted at several points around the perimeter.

在环形防线上已布置了几处岗哨.

-- 来源 -- 英汉 - 辞典例句

4. The circle has greater area than a regular poiygon of the same perimeter.

圆的面积比同样周长的正多边形的面积大。

-- 来源 -- 英汉 - 辞典例句

5. What is the perimeter of this polygon?

这个多边形的周长是多少?

-- 来源 -- 英汉 - 辞典例句

6. A fence marked the perimeter of the field.

一道篱笆标明了那块田地的周界。

-- 来源 -- 英汉 - 辞典例句

7. The barbed wire fence round the perimeter discouraged intruders.

周围有铁丝网阻止了外人闯入.

-- 来源 -- 英汉 - 辞典例句

8. How am I to find the perimeter in the dark?

我在黑暗里怎么看出周围的警戒线呢？

-- 来源 -- 英汉 - 辞典例句

9. It allows the water to detach the soil from the fiber side as well as from the perimeter.

这能使水从纤维一边和从圆周上把尘土分离开来。

-- 来源 -- 英汉 - 辞典例句

10. The circle has greater area than a regular polygon of the same perimeter.

正的面积比同样周长的正多边形的面积大。

-- 来源 -- 英汉 - 辞典例句