perimeter
n. <數>周長; 周圍,邊界
The perimeter of an area of land is the whole of its outer edge or boundary.
...the perimeter of the airport...
機場四周
Officers dressed in riot gear are surrounding the perimeter fence.
身穿防暴服的警察正在包圍外圍的柵欄。
1. the boundary line or the area immediately inside the boundary
2. a line enclosing a plane areas
3. the size of something as given by the distance around it
Downbelow Station at the crux of the shipping routes, the gateway to Earth's defensive perimeter.
深潛站處於航線的關鍵位置, 也是通向地球防衛圈的門戶.
The circle has greater area than a regular polygon of the same perimeter.
正的面積比同樣周長的正多邊形的面積大.
Dwarf A: Captain, roots are breaching our perimeter in tunnels F, Q, and V.
隊長, 樹根正在突破我們在F坑道, Q坑道和V坑道的防線.
Teacher: What is the perimeter of a circle?
師: 什麼是圓的周長?
Couldn't I just line the perimeter of my yard with something to keep them at bay?
我不可以只用什麼東西在我的院子周圍畫線來隔絕它們 嗎 ?