downdraft
下风口,下风,下风向,下流气流
Definitions
- 1
- : a downward current, as of air: a downdraft in a mine shaft.
- : a downward movement, as of the stock market.
Examples
When helicopters go over a ridge, sometimes they experience a sudden downdraft, where they drop 100 feet or so, which is very dangerous because they’re not very high to begin with.
Also contributing to the crash, according to the NTSB, was Taquan’s decision to assign an inexperienced pilot to a destination prone to challenging downdrafts and changing wind conditions.
A sudden downdraft coming over a peak can travel at 3,000 feet per minute and push a helicopter into a mountain.
Then bitcoin got sucked into a downdraft when Tesla chief Musk suggested prices “seem high.”
Suddenly the little Cessna dropped, hitting a stomach-lurching downdraft, robbing it of the speed to clear the mountain wall directly ahead.
But the worst of the economic downdraft came in his first six months of office.
Even accounting for the sickening downdraft of early 2009, the markets have done quite well during the Obama presidency.