| 释义 |
spiralBrE /ˈspaɪrəl/NAmE /ˈspaɪrəl/ nouna shape or design, consisting of a continuous curved line that winds around a central point, with each curve further away from the centre 螺旋形；螺旋式◆The birds circled in a slow spiral above the house. 鸟儿在房子上空缓缓盘旋。a continuous harmful increase or decrease in sth, that gradually gets faster and faster 逐渐加速上升（或下降）◆the destructive spiral of violence in the inner cities 内城区日益严重的暴力行为◆measures to control the inflationary spiral 控制日益恶化的通货膨胀的措施◆the upward/downward spiral of sales 日渐上升/下降的销售额 spiralBrE /ˈspaɪrəl/NAmE /ˈspaɪrəl/ adjectivemoving in a continuous curve that winds around a central point 螺旋形的；螺旋式的◆A snail's shell is spiral in form. 蜗牛壳呈螺旋形。▸ spir·al·ly BrE /ˈspaɪrəli/NAmE /ˈspaɪrəli/ adverb spiralBrE /ˈspaɪrəl/NAmE /ˈspaɪrəl/ verbpresent simple - I / you / we / they spiral BrE /ˈspaɪrəl/ NAmE /ˈspaɪrəl/present simple - he / she / it spirals BrE /ˈspaɪrəlz/ NAmE /ˈspaɪrəlz/past simple spiralled BrE /ˈspaɪrəld/ NAmE /ˈspaɪrəld/past participle spiralled BrE /ˈspaɪrəld/ NAmE /ˈspaɪrəld/past simple (NAmE usually ) spiraled BrE /ˈspaɪrəld/ NAmE /ˈspaɪrəld/past participle (NAmE usually ) spiraled BrE /ˈspaɪrəld/ NAmE /ˈspaɪrəld/ -ing form spiralling BrE /ˈspaɪrəlɪŋ/ NAmE /ˈspaɪrəlɪŋ/ -ing form (NAmE usually ) spiraling BrE /ˈspaɪrəlɪŋ/ NAmE /ˈspaɪrəlɪŋ/ [I] (+ adv./prep.) to move in continuous circles, going upwards or downwards 螺旋式上升（或下降）；盘旋上升（或下降）◆The plane spiralled down to the ground. 飞机盘旋降落。 [I] to increase rapidly 急剧增长◆the spiralling cost of health care 急剧上涨的医疗费用◆+ adv./prep. Prices are spiralling out of control. 物价飞涨，失去控制。 ●ˌspiral ˈdown/ˈdownwardto decrease rapidly 急剧减少 |