n. 螺旋；旋涡；螺旋形之物 adj. 螺旋形的；盘旋的 vt. 使成螺旋形；使作螺旋形上升 vi. 盘旋；成螺旋形；螺旋形上升（过去式spiraled/spiralled，过去分词spiraled/spiralled，现在分词spiraling/spiralling，第三人称单数spirals，副词spirally）
1. Costs have been spiralling all month. 整个月以来费用在不断急剧地上涨着。
2. This is the exit of the museum. I like the spiral stairs. 这是博物馆的出口。我个人非常喜欢这个螺旋形楼梯。
3. The principle of this method is to use Archimedes spiral to approaching ellipse. 该方法的实质是用阿基米德螺旋线去逼近离散椭圆。
英英解释
n.
1. a plane curve traced by a point circling about the center but at increasing distances from the cente
2. a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
3. ornament consisting of a curve on a plane that winds around a center with an increasing distance fro
4. a structure consisting of something wound in a continuous series of loops
5. flying downward in a helical path with a large radius v.
1. to wind or move in a spiral course
2. form a spiral
3. move in a spiral or zigzag course adj.
1. in the shape of a coil
