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n 1 sharp vertical descent by an aircraft, etc, with the nose pointing towards the earth （飞行器等的）俯冲: go into a sudden nosedive 突然俯冲. 2 (fig 比喻) sudden plunge or drop 突降; 暴跌: Prices have taken a nosedive. 价格已暴跌. v [I] 1 (of an aircraft, etc) descend vertically with the nose pointing towards the earth （指飞行器等）俯冲. 2 (fig 比喻) fall sharply 急降; 暴跌: Demand for oil has nosedived. 对汽油的需求已骤减.



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