| 释义 |
spiralspi·ral1 /ˈspaɪrəl / noun [countable] - a long curve that goes around and around a central point螺旋形
- a continuous harmful increase or decrease in something, that gradually gets faster and faster（有害的）逐渐加速上升（或下降），盘旋上升（或下降）
▸ spi·ral adjective ◆a spiral staircase螺旋形楼梯
spiralspi·ral2 /ˈspaɪrəl / verb [intransitive] (present participle spi·ral·ing, past tense, past participle spi·raled) (CanE -ll-) to move upward or downward in a spiral, especially very quickly螺旋式上升（或下降）；盘旋上升（或下降）◆Food prices are spiraling out of control.食品价格失控地飞涨。 |