circumferent
adj. 围绕的
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 |