free fall

英 [ˈfriː fɔːl]

美 [ˈfriː fɔːl]

n.  (人或物的)自由下落; (价值)突降不止

牛津词典

noun

• （人或物的）自由下落
  the movement of an object or a person falling through the air without engine power or a parachute
  1. a free fall display
     自由下落表演
• （价值）突降不止
  a sudden drop in the value of sth that cannot be stopped
  1. Share prices have gone into free fall.
     股价猛跌不止。

柯林斯词典

• N-VAR (价值或价格的)直线下落，暴跌
  If the value or price of something goesintofree fall, it starts to fall uncontrollably.
  1. Sterling went into free fall...
     英镑暴跌。
  2. The price did a free fall.
     价格一落千丈。
• (降落伞张开前的)自由下落
  In parachuting,free fallis the part of the jump before the parachute opens.

英英释义

noun

• a sudden sharp decrease in some quantity
  1. a drop of 57 points on the Dow Jones index
  2. there was a drop in pressure in the pulmonary artery
  3. a dip in prices
  4. when that became known the price of their stock went into free fall
  Synonym:dropdipfall
• the ideal falling motion of something subject only to a gravitational field

双语例句

• Imports did not rise, even after a 40 per cent revaluation against the dollar, demonstrating that exchange-rate solutions will fail when demand is in a global free fall.
  然而，即使在银元兑美元升值了40%之后，进口仍然没有出现增长。这表明，当全球需求直线下落时，汇率解决方案将失效。
• The price did a free fall.
  价格一落千丈。
• Because if I make m1 zero, m2 goes into free fall.
  因为当m1=0时，m2相当于自由落体运动。
• Maybe the sonar was damaged in the free fall.
  或许声纳在掉落时坏了。
• These arresters should lock automatically against the anchorage line, restricting free fall of the user.
  这些防止装置应自动锁住锚线，限制使用者的自由下降。
• It means this tennis ball* while it is in free fall, it has no weight.
  再比如说这个网球。，自由落体过程中它没有重量。
• Some bats slept through free fall and dropped like rocks;
  有些蝙蝠从飞机上投下来，沉眠不醒，像石头般直摔下去；
• Like astronauts brought up in gravity, our reflexes are poorly suited for free fall.
  就像在重力环境下成长起来的宇航员一样，我们的本能反应不适合自由坠落。
• This is the plane while it is in free fall.
  这就是在自由落体的飞机。
• In the glacial realm of sociological change, that amounts to a free fall.
  从社会学变化的宏观领域来说，这是一个非常明显的下降。