free-fall

基本解釋

General Motors’ shares went into free-fall on Thursday, dropping 31% after a rating agency threatened to downgrade its debt.
通用汽車的股票在周四自由落體，在某評價機構(gòu)威脅要調(diào)低其評價后，股價下降了31％。
I think it means the rate of decline in the economy, which during late last year and the first quarter of this year was like a free-fall, is definitely slowing down.
我認(rèn)為，這表示，經(jīng)過去年年底和今年第一季度自由落體式的經(jīng)濟下滑后，現(xiàn)在經(jīng)濟衰退的速度絕對是放慢了。
However, through free-fall testing, the researchers could quantitatively measure the samara’s flight dynamics and use this information to control the samara’s autorotation and flight path.
然而，通過自由落體測試，研究者可以量化的測量翅果的飛行動力并且用得到的信息數(shù)據(jù)來控制翅果的自旋和飛行軌跡。

with bold action and outside-the-box thinking that has helped put the brakes on our economic free fall,"
Strauss-Kahn told an audience for 2010 at Washington's National Press Club that there are signs that the free-fall in the global economy may be starting to abate.

In the final years of the Third Reich, his standard of living was in free-fall.
FORBES: Market Economy Distortions Can Get Very Dangerous
In the months running up to the election in November 2008, the economy entered virtual free-fall.
ECONOMIST: What did Barack Obama’s stimulus package really achieve?

If the value or price of something goes into free fall, it starts to fall uncontrollably.
In parachuting, free fall is the part of the jump before the parachute opens.