释义 |
spi.ralH5spaIE7r[l, $5spaIr7Elv [I always + adv/prep]-ll- or Am usually -l-旋转上升或下降With one wing damaged, the model airplane spiralled downwards.模型飞机的一个机翼坏了,它旋转着往下坠落。If costs, prices, etc. spiral, they increase faster and faster.(成本、价格等)急剧上升Spiralling costs have squeezed profits.急剧上升的成本降低了利润。If costs, prices, etc. spiral downwards, they get less, at a faster and faster rate.(成本、价格等)急剧下降
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