perimeter

英 [pə'rɪmɪtə] 美 [pə'rɪmɪtɚ]
  • n. 周长;周界;[眼科] 视野计
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1. peri- "周围、附近" => perimeter, perigee.
perimeter 外缘,周长

peri-,在周围,-meter,测量,词源同meter,diameter.引申词义外缘,周长。

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.
1. By night, the perimeter wire was illumined by lights.
到了夜里,周遭的铁丝网都被灯光照亮。

来自柯林斯例句

2. The plane veered off the runway and careered through the perimeter fence.
飞机突然偏离跑道,高速冲过了周围的护栏。

来自柯林斯例句

3. Some 300 trees have been ranged along the perimeter hedge.
沿着绿篱栽种着大约300棵树。

来自柯林斯例句

4. Guards patrol the perimeter of the estate.
保安人员在庄园四周巡逻。

来自《权威词典》

5. The river marks the eastern perimeter of our land.
这条河标示我们的土地东面的边界.

来自《简明英汉词典》

[ perimeter 造句 ]