名詞 spiral:

1. a plane curve traced by a point circling about the center but at increasing distances from the center
2. a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
   同義詞：helix
3. ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
   同義詞：volute
4. a structure consisting of something wound in a continuous series of loops
   同義詞：coil, volute, whorl, helix
5. flying downward in a helical path with a large radius

動詞 spiral:

1. to wind or move in a spiral course
   同義詞：gyrate, coil
2. form a spiral
3. move in a spiral or zigzag course
   同義詞：corkscrew

形容詞 spiral:

1. in the shape of a coil
   同義詞：coiling, helical, spiraling, volute, voluted, whorled, turbinate

1. Prices are still spiralling.
   價格仍然在急劇上漲。
2. The smoke spiraled upwards.
   那股煙裊裊上升。
3. A snail's shell is spiral in form.
   蝸牛殼是螺旋形的。