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perimeter [pə'rimitə]

n. 周长,周界

形容词：per'i·met'ric, per'i·met'ri·cal

副　词：per'i·met'ri·cal·ly

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The perimeter of the airfield is protected by guard - dogs.
机场外的环形防卫圈由警犬保卫着。
A line that forms the boundary of an area;a perimeter.
边界形成某地区界限的线;围界

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We began by walking briskly around the perimeter of the large playground. 查看全文
and make just one more perimeter patrol to see that no one has tried to take advantage of the situation. 查看全文

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