英式:[ˈspaɪərəlɪŋ]
美式:[ˈspaɪərəlɪŋ]

螺型位移, 螺旋运动

A snail's shell is spiral in form. 蜗牛壳是螺旋形的。

Prices are still spiralling. 价格仍然在急剧上涨。