perimeter 是什么意思
n. 周长;周界;[眼科] 视野计
perimeter 记忆方法
1. peri- "周围、附近" => perimeter, perigee.
perimeter 中文词源
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。
英语词源
perimeter (n.)
early 15c., "line around a figure or surface," from Latin perimetros, from Greek perimetron "circumference," from peri- "around" (see peri-) +
perimeter 权威例句
- 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
- 1. Drinks in hands, they wandered around the perimeter of the ball field.
- 他们手里拿着饮料在球场周围漫不经心地遛跶。
-- 来源 -- 英汉 - 辞典例句
- 2. Guards patrolled the perimeter of the airfield.
- 卫兵沿机场四周巡逻.
-- 来源 -- 英汉 - 辞典例句
- 3. Guards had been posted at several points around the perimeter.
- 在环形防线上已布置了几处岗哨.
-- 来源 -- 英汉 - 辞典例句
- 4. The circle has greater area than a regular poiygon of the same perimeter.
- 圆的面积比同样周长的正多边形的面积大。
-- 来源 -- 英汉 - 辞典例句
- 5. What is the perimeter of this polygon?
- 这个多边形的周长是多少?
-- 来源 -- 英汉 - 辞典例句
- 6. A fence marked the perimeter of the field.
- 一道篱笆标明了那块田地的周界。
-- 来源 -- 英汉 - 辞典例句
- 7. The barbed wire fence round the perimeter discouraged intruders.
- 周围有铁丝网阻止了外人闯入.
-- 来源 -- 英汉 - 辞典例句
- 8. How am I to find the perimeter in the dark?
- 我在黑暗里怎么看出周围的警戒线呢?
-- 来源 -- 英汉 - 辞典例句
- 9. It allows the water to detach the soil from the fiber side as well as from the perimeter.
- 这能使水从纤维一边和从圆周上把尘土分离开来。
-- 来源 -- 英汉 - 辞典例句
- 10. The circle has greater area than a regular polygon of the same perimeter.
- 正的面积比同样周长的正多边形的面积大。
-- 来源 -- 英汉 - 辞典例句