circumference
[sə'kʌmfərəns]
n.圆周, 周围, 周长
例句与用法:
The curve traced by a point on the circumference of a circle that rolls on a straight line.
圆滚线,摆线圆周上任一点在一条直线上滚动时所形成的曲线
The distance around something; the circumference.
周围,四周围绕某物的距离; 周围
The circumference of the earth is almost 25,000 miles.
地球的圆周长约为两万五千英里。
词形变化:
形容词: circumferential |
详细释义:
n.
1. 圆周; 周长[C][U]
This tree has a circumference of 6 feet.
这棵树周长六英尺。
2. 物体(或图形)的周边[the S][(+of)]