plummet /ˈplʌmɪt/ TEM8 ( plummeting, plummeted, plummets )

• 1. 

  V-I If an amount, rate, or price plummets, it decreases quickly by a large amount. (数量、比率、价格) 暴跌 [journalism]

  例：

  In Tokyo share prices have plummeted for the sixth successive day.

  在东京，股价已经是连续第6天暴跌了。

  例：

  The president's popularity has plummeted to an all-time low in recent weeks.

  总统的声望最近几周已骤然跌至前所未有的低点。