plummet
verb [ I ] uk/ˈplʌm.ɪt/ us/ˈplʌm.ɪt/
暴跌，急剧下降
to fall very quickly and suddenly
House prices have plummeted in recent months. 房价近几个月来暴跌。
Several large rocks were sent plummeting down the mountain. 好几块巨石被从山上推下。
She plummeted to the ground. 她一下摔到了地上。