spirals
n.
螺旋（线）( spiral的名词复数 );
螺旋式的上升（或下降）;
v.
盘旋上升（或下降）( spiral的第三人称单数 );
（物价等）不断急剧地上升（或下降）;
例句:
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Larks were rising in spirals from the ridge.
云雀从山脊上盘旋着飞起。
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Each of the spirals of light resolved into points.
每一束螺旋光都分解成了光点。
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Monetary inflation spirals inexorably on.
通货膨胀使物价节节上涨.
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Jason Bent's gambling spirals out of control.
来自BBC
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They climbed in long spirals, up into the mountains.
来自N. Sherry
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They sometimes form spirals and occasionally cross themselves.
来自SA