单词 | spiral |
释义 | noun | verb spiralspiral1 /ˈspaɪrəl/ ●○○ noun [countable] 1 a line in the form of a curve that winds around a central point, moving farther away from the center all the time2a process, usually a harmful one, in which something gradually but continuously rises, falls, gets worse, etc.: spiral of a spiral of violence The news sent stocks into a downward spiral.an inflationary spiral (=a continuing rise in wages and prices because an increase in one causes an increase in the other) [Origin: 1500–1600 Medieval Latin spiralis (adjective), from Latin spira coil]—spiral adjective noun | verb spiralspiral2 verb (spiraled also spiralled, spiraling also spiralling) [intransitive] 1[always + adv./prep.] to move in the shape of a spiral: spiral to/around/up/down etc. Yellow smoke spiraled upward.2if a situation spirals, it gets worse, more violent, etc. in a way that cannot be controlled: The controversy has spiraled out of control.3if debt or the cost of something spirals, it increases quickly in a way that cannot be controlled—spiraling adjective: the spiraling cost of health care |
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