perimeter是一个雅思常考词汇，这个词的常用解释为n. 周边, 周长, 周界，这个词在很多英文原版小说中怎么应用呢，今天小编就带您了解一下。
在儒勒·凡尔纳的《神秘岛》里，有这样的句子出现：
-- Cyrus Harding reflected a few minutes; he attentively observed the perimeter of the island, taking into consideration the height at which he was placed; then, "My friends," said he, "I do not think I am mistaken in giving to the shore of the island a circumference of more than a hundred miles."
-- From this point the shore ran pretty regularly north and south, broken at two-thirds of its perimeter by a narrow creek, from which it ended in a long tail, similar to the caudal appendage of a gigantic alligator.
-- By the end of the first fortnight of December these works were finished, and Prospect Heights that is to say, a sort of irregular pentagon, having a perimeter of nearly four miles, surrounded by a liquid belt was completely protected from depredators of every description.
-- The perimeter of the corral was then traced by the engineer, and they would then have proceeded to fell the trees necessary for the construction of the palisade, but as the opening up of the road had already necessitated the sacrifice of a considerable number, those were brought and supplied a hundred stakes, which were firmly fixed in the ground.
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