今天我们要学的词是plummet。 Plummet, 暴跌，直线下降。 "Apple's share plummeted after Steve Jobs resigned as CEO of the company," 乔布斯辞去苹果电脑首席执行官一职后，苹果公司股价暴跌。 "President Obama's approval ratings plummeted to the lowest point of his presidency with 51% of Americans disapproving of his job performance," 奥巴马总统的支持率跌至他任期内的最低点，现在有51％的美国人不满意他的工作表现。 "Tropical Storm Lee brought rain and wind, causing temperatures to plummet," 热带风暴"李"带来强风暴雨，导致气温骤降。好的，今天我们学习的词是plummet...