spiral
[ADJ, NOUN, VERB]
1. 螺旋形的
Spiral means in a shape which winds around and around, with each curve above or outside the previous one.
双语例句
例：a spiral staircase.
一段旋梯。
例：the Milky Way, a spiral galaxy with 100 billion stars.
银河系，一个有着1000亿个恒星的漩涡式星系。
ADJ. 形容词
spirals
1. [C 可数名词] 螺旋形
A spiral is a shape which winds around and around, with each curve above or outside the previous one.
双语例句
例：The maze is actually two interlocking spirals.
这个迷宫实际上是两个相互咬合的螺旋体。
2. [C 可数名词] 螺旋式运动
A spiral is a movement around and around, with each curve above or outside the previous one.
双语例句
例：Larks were rising in spirals from the ridge.
云雀从山脊上盘旋着飞起。
3. [SING 单数型名词] 加速上升
A spiral is a quick rise in an amount or level, at an increasing rate.
双语例句
例：an inflationary spiral.
急剧加速的通货膨胀。
4. [SING 单数型名词] 加速下降
A spiral is a quick fall in an amount or level, at an increasing rate.
双语例句
例：a spiral of debt.
债务的急速减少。
NOUN. 名词
spirals , spiralling , spiralled
1. [I 不及物动词] 使…螺旋式生长或移动 , 螺旋式生长或移动
If something spirals or is spiralled somewhere, it grows or moves in a spiral curve.
双语例句
例：Vines spiralled upward towards the roof.
藤蔓盘旋着朝屋顶方向生长。
例：The aircraft began spiralling out of control.
飞机开始打转，失去了控制。
例：A joss stick spiralled smoke.
一柱线香青烟袅袅。
2. [I 不及物动词] 加速上升
If an amount or level spirals, it rises quickly and at an increasing rate.
双语例句
例：Production costs began to spiral.
生产成本开始急剧上升。
例：spiralling health care costs.
急剧上涨的各种保健费用。
3. [I 不及物动词] 加速下降
If an amount or level spirals downwards, it falls quickly and at an increasing rate.
双语例句
例：House prices will continue to spiral downwards.
房价将继续暴跌。
VERB. 动词
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