Translation of "spiral" - English-Traditional Chinese dictionary

spiral

noun [ C ] uk us /ˈspaɪə.rəl/ US  /ˈspaɪr.əl/

a shape made up of curves, each one above or wider than the one before

螺旋形
A corkscrew is spiral-shaped. 瓶塞鑽是螺旋形的。
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

(價格等的)不斷下降;(局面的)迅速惡化;螺旋式惡性下滑
This year's downward spiral of house prices has depressed the market. 今年房價的持續下跌造成了市場的疲軟。
We must avoid the downward spiral in which unemployment leads to homelessness and then to crime. 我們必須避免失業導致無家可歸,進而導致犯罪的惡性循環。

(Translation of “spiral noun” from the Cambridge English-Chinese (Traditional) Dictionary © Cambridge University Press)