| 释义 |
spi.ralH5spaIE7r[l, $5spaIr7Eln [C]a shape made up of curves, each one above or wider than the one before螺旋形，螺线Our galaxy, the Milky Way, is a spiral.我们的银河系是个旋涡星系。A corkscrew is spiral- shaped.瓶塞钻是螺旋形的。The bird rose in the air in a slow, ascending spiral.这只鸟慢慢地盘旋到了天上。(fig.) The recent downward spiral of home prices has depressed the market.最近房价的急剧下跌造成了市场的疲软。(fig.) We must avoid the downward spiral in which unemployment leads to homelessness and then to crime.我们必须避免这种恶性循环，失业导致无家可归，然后导致犯罪。A spiral-bound book has a spiral-shaped piece of metal or plastic holding its pages together.螺旋装订的(书)
|