quarter-circle

常见例句

A concave molding with a cross section that approximates a quarter circle.
飞檐的凹圆线脚截面近于九十度弧的凹线脚
A machine part or other mechanical device that is shaped like a quarter circle.
扇形体形状似四分之一圆圈的机器零件或其他机械设备
A concavemolding with a cross section that approximates a quarter circle.
飞檐的凹圆线脚截面近于九十度弧的凹线脚。
A quarter circle with a radius of1 m(1 yd) from each corner flagpost is drawn inside the field of play.
在比赛场地内，以距每个角旗杆1米（码）半径画一个四分之一圆。
She only unbends in the family circle.
她只在家庭环境里才不拘束。
a concave molding with a cross section that approximates a quarter circle
截面近于九十度弧的凹线脚