spiral的中文意思、音标与词形变化

n. 螺旋形之物, 螺线 a. 螺旋形的, 盘旋的 vi. 螺旋形下降, 螺旋形上升, 螺旋形行进 vt. 使螺旋形行进

n. a plane curve traced by a point circling about the center but at increasing distances from the center n. a continuously accelerating change in the economy n. ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center n. flying downward in a helical path with a large radius