perimeter
US /pəˈrɪm.ə.t̬ɚ/
UK /pəˈrɪm.ə.t̬ɚ/
1.
周长
the continuous line forming the boundary of a closed geometric figure
:
•
The perimeter of the square is 20 cm.
正方形的周长是20厘米。
•
We need to calculate the perimeter of the garden to buy enough fencing.
我们需要计算花园的周长，以便购买足够的围栏。
2.
周边, 边界
the outermost part of an area or object
:
•
Security guards patrolled the perimeter of the building.
保安人员巡逻了建筑物的周边。
•
The fence marks the perimeter of our property.
围栏标志着我们房产的边界。