| 词汇 | spiral |
| 释义 | spiral noun [ C ] uk/ˈspaɪə.rəl/ us/ˈspaɪr.əl/ 螺旋形 a shape made up of curves, each one above or wider than the one before A corkscrew is spiral-shaped. 瓶塞钻是螺旋形的。 downward spiralC2 （价格等的）不断下降;（局面的）迅速恶化;螺旋式恶性下滑 a situation in which a price, etc. becomes lower, or a situation gets worse and is difficult to control because one bad event causes another This year's downward spiral of house prices has depressed the market. 今年房价的持续下跌造成了市场的疲软。 We have to avoid the downward spiral in which unemployment leads to homelessness and then to crime. 我们必须避免失业导致无家可归，进而导致犯罪的恶性循环。
spiral verb [ I usually + adv/prep ] uk/ˈspaɪə.rəl/ us/ˈspaɪr.əl/ -ll- or -l- 呈螺旋式上升（或下降）；盘旋上升（或下降） to move in a spiral With one wing damaged, the model airplane spiralled downwards. 模型飞机的一个机翼坏了，盘旋着下坠。 （费用、价格等）急剧增长，急速上升 If costs, prices, etc. spiral, they increase faster and faster. Spiralling costs have squeezed profits. 急剧上升的成本压缩了利润空间。 spiral downwards （价格等）急剧下降 (of prices, etc.) to become less, at a faster and faster rate （形势）急剧恶化 If a situation spirals, it quickly gets worse in a way that becomes more and more difficult to control. Violence in the country is threatening to spiral out of control. 国内暴力活动正要进入急剧恶化的状态。 He spiralled into a drug addiction that cost him his life. 他的毒瘾急剧恶化，直到付出生命的代价。 spiral adjective [ before noun ] uk/ˈspaɪə.rəl/ us/ˈspaɪr.əl/ 螺旋形的 shaped in a series of curves, each one above or wider than the one before a spiral staircase 螺旋式楼梯 a spiral galaxy 漩涡星系 |
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