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.