| 单词 | spiral |
| 释义 | spiral (verb) spiral (adjective) spiral 5 ENTRIES FOUND: spiral (noun) spiral (verb) spiral (adjective) spiral-bound (adjective) spiral staircase (noun) 1 spiral /ˈspaɪrəl/ noun plural spirals 1 spiral /ˈspaɪrəl/ noun plural spirals Learner's definition of SPIRAL [count] 1 : a circular curving line that goes around a central point while getting closer to or farther away from it螺旋曲线；螺旋形 The glider flew in a wide spiral over the field.滑翔机在原野上空绕着螺旋形的大圈盘旋。 2 : a situation in which something continuously increases, decreases, or gets worse持续加剧的上升（或下降、恶化） — usually singular通常用单数 an inflationary spiral [=a continuous increase in prices]恶性通货膨胀 a spiral of problems问题的不断恶化 Gas prices continued their dizzying upward spiral. [=gas prices got higher]汽油价格继续飞速上涨。 His drug use drove him into a downward spiral. [=his condition became worse and worse]吸毒导致他的健康每况愈下。 3 American football : a kick or throw in which the ball spins while moving through the air旋球 The quarterback threw a tight spiral to the receiver.四分卫向接球手扔了一个急旋球。 2 spiral /ˈspaɪrəl/ verb spirals US spiraled or British spiralled US spiraling or British spiralling 2 spiral /ˈspaɪrəl/ verb spirals US spiraled or British spiralled US spiraling or British spiralling Learner's definition of SPIRAL [no object] 1 always followed by an adverb or preposition : to move in a circle around a central point while getting closer to or farther away from it : to move in a spiral螺旋式行进；盘旋 Smoke spiraled up from the chimney.烟从烟囱盘旋上升。 Vultures spiraled [=circled] overhead.秃鹰在上空盘旋。 The airplane spiraled to the ground and crashed.飞机转着圈坠毁到地面上。 2 : to greatly increase, decrease, or get worse in a continuous and usually fast and uncontrolled way快速而失控地上升（或下降、恶化） The unemployment rate has been spiraling upward.失业率一直大幅上升。 The stock market is spiraling downward.股市正急剧恶化。 spiraling [=rapidly increasing] costs急剧增加的费用 Let's deal with this crisis before it spirals out of control.趁着情况还没失控，咱们着手处理这场危机吧。 3 spiral /ˈspaɪrəl/ adjective 3 spiral /ˈspaɪrəl/ adjective Learner's definition of SPIRAL always used before a noun : winding or circling around a central point and usually getting closer to or farther away from it : shaped or moving like a spiral螺旋的；螺旋形的；螺旋式的 a spiral seashell螺旋形的贝壳 a spiral driveway螺旋形私人车道 |
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