周长 meaning in English
girth; circumference; perimeter 短语和例子
Examples
- The column measures two feet around .
这根柱子周长2英尺。 - 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。 - The circle has greater area than a regular polygon of the same perimeter .
圆的面积比同样周长的正多边形的面积大。 - In each case an integral number of wavelengths fit into the circumference of the loop .
在各种情形下，环的周长都等于波长的整数倍。 the circumference of the circle is 2πr and the time for one revolution is 2πr/v. 圆的周长是2r，转一圈的时间是2rv。