perimeter
🇺🇸
/pəˈrɪmɪtər/
🇬🇧
/pəˈrɪmɪtə(r)/
The boundary or edge around a place or object.
They walked around the perimeter of the park to enjoy the view.
他们沿着公园的边界走,以欣赏风景。
The total distance around the edge of a shape or area.
We calculated the perimeter of the square to be 20 meters.
我们计算出这个正方形的周长为20米。