perimeter 英 [pəˈrɪmɪtə(r)] 　 美 [pəˈrɪmɪtɚ]

perimeter

perimeter　 英 [pəˈrɪmɪtə(r)] 美 [pəˈrɪmɪtɚ]

n. 周长；外缘，边缘　

名词复数:perimeters　

A fence marked the perimeter of the field.　一道篱笆标明了那块田地的周界。
Guards patrol the perimeter of the estate.　保安人员在庄园四周巡逻。

  • The noun perimeter refers to the border of an enclosed space. The perimeter of a house is its property line. For a country, it would be that country’s borders.
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  • n. 周长；外缘，边缘

  • 1. A fence marked the perimeter of the field.

    一道篱笆标明了那块田地的周界。

  • 2. Guards patrol the perimeter of the estate.

    保安人员在庄园四周巡逻。

  • 3. a perimeter fence

    围绕四周的栅栏

  • perimeter (n.) early 15c., "line around a figure or surface," from Latin perimetros, from Greek perimetron "circumference," from peri "around, about" (see peri-) + metron "measure" (from PIE root *me- (2) "to measure"). Military sense of "boundary of a defended position" is attested from 1943.
per·im·eter / pəˈrɪmɪtə(r) ; NAmE pəˈrɪmɪtər / noun 1 the outside edge of an area of land （土地的）外缘，边缘 ◆ 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 2 ( mathematics 数 ) the total length of the outside edge of an area or a shape 周长 ☞compare circumference perimeter perimeters per·im·eter / pəˈrɪmɪtə(r) ; NAmE pəˈrɪmɪtər /
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词频排名 noun:6679
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