过去式：nose-dived 现在分词：nose-diving 第三人称单数：nose-dives
1.【航】俯冲,急降;〈比喻〉(价格等的)猛跌,暴落;(事业等的)骤衰
1.to experience a sudden very significant fall or decline in price, value, amount, or quality
2.to fall vertically or almost vertically with the front end pointing downward
nose-divednose-divednose-dived