perimeter是什麼意思 perimeter的用法 perimeter怎麼讀

perimeter

英 [pə'rɪmɪtə]美 [pə'rɪmɪtɚ]

n. 周長；周界；[眼科] 視野計

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星級詞彙:★★

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記憶方法

1. peri- "周圍、附近" => perimeter, perigee.

中文詞源

perimeter 外緣，周長

peri-,在周圍，-meter,測量，詞源同meter,diameter.引申詞義外緣，周長。

英語詞源

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.

權威例句

1. By night, the perimeter wire was illumined by lights.

到了夜裏，周遭的鐵絲網都被燈光照亮。

2. The plane veered off the runway and careered through the perimeter fence.

飛機突然偏離跑道，高速衝過了周圍的護欄。

3. Some 300 trees have been ranged along the perimeter hedge.

沿着綠籬栽種着大約300棵樹。

4. Guards patrol the perimeter of the estate.

保安人員在莊園四周巡邏。

5. The river marks the eastern perimeter of our land.

這條河標示我們的土地東面的邊界.

[ perimeter 造句 ]