perimeter

英 [pə'rɪmɪtə] 美[pə'rɪmɪtɚ]

英英释义实用场景例句

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复数: perimeters;

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。

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。

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