spiral

柯林斯词典

1. N-COUNT A spiral is a shape which winds around and around, with each curve above or outside the previous one. 螺旋形
The maze is actually two interlocking spirals. 这个迷宫实际上是两个连锁的螺旋体。
2. ADJ Spiral is also an adjective. 螺旋形的[ADJ n]
...a spiral staircase. …一段旋梯。
3. V-T/V-I If something spirals or is spiralled somewhere, it grows or moves in a spiral curve. 使…螺旋式生长或移动; 螺旋式生长或移动
Vines spiralled upward toward the roof. 藤蔓螺旋式向上朝屋顶生长。
The aircraft began spiralling out of control. 那架飞机开始做螺旋式飞行，失去了控制。
4. N-COUNT Spiral is also a noun. 螺旋式运动
Larks were rising in spirals from the ridge. 云雀在从山脊上盘旋飞升。
5. V-I If an amount or level spirals, it rises quickly and at an increasing rate. 加速上升
Production costs began to spiral. 生产成本开始加速上涨。
...spiralling health care costs. …加速上涨的各种保健费用。
6. N-SING Spiral is also a noun. 加速上升
...an inflationary spiral. …一次通胀性的激增。
7. V-I If an amount or level spirals downward, it falls quickly and at an increasing rate. 加速下降
House prices will continue to spiral downwards. 房价将继续加速下跌。
8. N-SING Spiral is also a noun. 加速下降
...a spiral of debt. …债务的加剧减少。