| 释义 |
弧形 hú xíng
基本例句
archsegmentarccurvecovearc-shapedcamber
旋转线，次摆线圆在固定直线上滚动时，圆上一点或与圆相连的一点的弧形轨迹A curve traced by a point on or connected with a circle as the circle rolls along a fixed straight line.
高高飞起的球成弧形飞向看台The high fly ball arched toward the stands. |