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. |