spiral staircase 螺旋楼梯
spiral upward 螺旋上升
spiral downward 螺旋下降
price spirals 价格螺旋上升
spiral out of control 失控发展
A: Did the plane really spiralled before landing?
A：飞机真的在降落前螺旋了吗？
B: Yes, but the pilot handled it safely.
B：是的，但飞行员安全处理了。
1) 螺旋状运动或轨迹
2) 逐渐失控的发展趋势
3) 数量或价格快速上升
4) 情绪或状态的递进变化
1. 螺旋状移动或旋转
2. （局势）急剧变化或失控发展
verb / adjective (past form or British spelling variant)
1. moved or developed in a spiral pattern, often upward or downward in motion or intensity.
Synonym: twisted, curved, rotated