1.plummet v. 暴跌;速降
例句:The Prime Minister's popularity has plummeted to an all-time low in recent weeks.
首相的支持率在近几个星期已骤跌至前所未有的低点 。
2.prompt v. 促使;推动;引起
例句:The need for villagers to control their own destinies has prompted a new plan.
村民们想要掌握自己的命运,这促成了一项新的计划 。