nose-dive

v.俯冲；暴跌n.俯冲；暴跌名词：nose-per过去式：nose-ped/nose-dove过去分词：nose-ped/nose-dove现在分词：nose-ping第三人称单数：nose-pesnose-pe英英释义名词nosepea steep nose-down descent by an aircrafta sudden sharp drop or rapid...