perimeter
US /pəˈrɪm.ə.t̬ɚ/
UK /pəˈrɪm.ə.t̬ɚ/
1.
周長
the continuous line forming the boundary of a closed geometric figure
:
•
The perimeter of the square is 20 cm.
正方形的周長是20厘米。
•
We need to calculate the perimeter of the garden to buy enough fencing.
我們需要計算花園的周長，以便購買足夠的圍欄。
2.
周邊, 邊界
the outermost part of an area or object
:
•
Security guards patrolled the perimeter of the building.
保安人員巡邏了建築物的周邊。
•
The fence marks the perimeter of our property.
圍欄標誌著我們房產的邊界。