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| 单词 | spiral |
| 释义 |
spiral UK ['spaɪə.rəl] US ['spaɪr.əl] noun countable ADVANCED ■a shape made up of curves, each one above or wider than the one before 螺旋形 •A corkscrew is spiral- shaped downward spiral ■when a price, etc. is becoming lower, or when a situation is getting worse and is difficult to control because one bad event causes another （价格等的）不断下降；（局面的）迅速恶化；螺旋式恶性下滑 •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 must 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。 UK ['spaɪə.rəl] US ['spaɪr.əl] verb intransitive usually + adverb or preposition (-ll- or US USUALLY -l-)■to move in a spiral 呈螺旋式上升（或下降）；盘旋上升（或下降） •With one wing damaged, the model airplane spiralled downwards.模型飞机的一个机翼坏了，盘旋下坠。 ■If costs, prices, etc. spiral, they increase faster and faster （费用、价格等）急遽成长，急速上升•Spiralling costs have squeezed profits.急遽上升的成本压缩了利润空间。 spiral downwards ■(of prices, etc.) to get less, at a faster and faster rate （价格等）急遽下降 UK ['spaɪə.rəl] US ['spaɪr.əl] adjective [before noun] ■shaped in a series of curves, each one above or wider than the one before 螺旋形的（形状类似一系列曲线，每个曲线在另一个之上或比前一个大） •a spiral staircase螺旋式楼梯 •a spiral galaxy漩涡星系 |
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