1
- a steep downward plunge by an aircraft（飞机的）俯冲。
1.1
- figurative a sudden dramatic deterioration〈喻〉急剧恶化：
the player's fortunes took a nosedive.
那个球员的运气急转直下。
no obj.
1- (of an aircraft) make a nosedive（飞机）俯冲。
1.1
- figurative deteriorate suddenly and dramatically〈喻〉急剧恶化：
massive strikes caused the economy to nosedive.
大规模罢工使经济急剧恶化。