spiral

1.螺旋形；螺旋式a shape or design, consisting of a continuous curved line that winds around a central point, with each curve further away from the centre

2.逐渐加速上升（或下降）a continuous harmful increase or decrease in sth, that gradually gets faster and faster

1.螺旋形的；螺旋式的moving in a continuous curve that winds around a central point

1.[i](+ adv./prep.)螺旋式上升（或下降）；盘旋上升（或下降）to move in continuous circles, going upwards or downwards

2.[i]急剧增长to increase rapidly

1.螺旋形的,盘旋的,盘旋上升的

2.【数】螺线的

1.螺簧;【物】螺线

2.【数】螺(旋)线

3.【航】盘旋,盘旋降落

4.螺旋形物

5.(足球运动的)旋球

6.(物价等)不断加剧上升或下降

1.(〔英国〕 -ll-) 使成螺旋形

2.(物价)螺旋上升[跌落]

3.【航】盘旋降落[上升]

1.a shape that looks like a set of circles inside each other, made by one line curving inside itself; a shape made by something that curves around a central line or post and along its length

2.a situation that gets worse and worse

1.to move in the shape of a spiral, or to make something do this

2.to continuously become worse, more, or less