学个词Learn a Word 第727期 Free-fall

（单词翻译）

今天我们要学的词是free-fall。 Free-fall在重力作用下自由下落。"White House budget director said there are signs that the free-fall in the economy seems to have stopped," 白宫预算负责人表示，美国经济的自由下落似乎已经停了下来。

还记得去年美国总统大选共和党的副总统候选人，阿拉斯加州女州长萨拉.佩林吗？"Palin's approval¹ numbers have been in serious free-fall since she returned from the campaign trail last November," 佩林去年十一月大选结束后，民众支持率就一直在直线下滑。好的，今天我们学习的词是free fall...