The word 'spiral' refers to a curve which winds outwards from a central point, or a continuous progression of increasing or decreasing something. It can be used as a noun, verb, or adjective.
单词'spiral'的意思是“螺旋（线）”或“旋涡”。它也可以指“螺旋形物”，还可作动词表示“使成螺旋形”或“螺旋式的上升（或下降盘旋上升（或下降）”。
| 单词 | spiral |
|---|---|
| 音标 | [ˈspaɪrəl] [ˈspaɪrəl] |
| 释义 | n.["螺旋（线）","旋涡","螺旋形物","（足球运动的）旋球"] v.["使成螺旋形","螺旋式的上升（或下降盘旋上升（或下降）"] adj.["螺旋形的","盘旋的","盘旋上升的"] |
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