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(píng)價(jià)機(jī)構(gòu)威脅要調(diào)低其評(píng)價(jià)后，股價(jià)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(guò)去年年底和今年第一季度自由落體式的經(jīng)濟(jì)下滑后，現(xiàn)在經(jīng)濟(jì)衰退的速度絕對(duì)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(guò)自由落體測(cè)試，研究者可以量化的測(cè)量翅果的飛行動(dòng)力并且用得到的信息數(shù)據(jù)來(lái)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.