/ˈplʌmɪt ||; ˈplʌmɪt/verb [I] (formal 正式) to fall suddenly and quickly from a high level or position 骤降；骤跌: Share prices plummeted to an all-time low. 股票价格一下子跌到创纪录的低点。The jet plummeted into a row of houses. 那架喷气式飞机坠落在一排房子里。 [SYN] plunge 同义词为plunge