spiral-主題

spiral

['spairəl]

n.螺旋,螺旋形之物, 不斷惡化、增加或減少 
v.螺旋移動,盤旋上升, 不斷惡化、增加或減少 
adj.螺旋形的, 盤旋的

例句與用法：

Prices are still spiralling.

價格仍然在急劇上漲。

The smoke spiraled upwards.

那股煙裊裊上升。

A snail's shell is spiral in form.

蝸牛殼是螺旋形的。

詞形變化：

副詞: spirally | 名詞: spirality | 動詞過去式: spiraled/spiralled | 動詞過去分詞: spiraled/spiralled | 動詞現在分詞: spiraling/spiralling | 動詞第三人稱單數: spirals/spirals |

英文解釋:

名詞 spiral:

a plane curve traced by a point circling about the center but at increasing distances from the center

a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle

同義詞：helix

ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center

同義詞：volute

a structure consisting of something wound in a continuous series of loops

同義詞：coil, volute, whorl, helix

flying downward in a helical path with a large radius

動詞 spiral:

to wind or move in a spiral course

同義詞：gyrate, coil

form a spiral

move in a spiral or zigzag course

同義詞：corkscrew

形容詞 spiral:

in the shape of a coil

同義詞：coiling, helical, spiraling, volute, voluted, whorled, turbinate

以上來源於大辭典