slipstream

音标发音

But this year Japan was overtaken by one of the geese in its slipstream.
但日本今年被跟在其后飞行的一只大雁超越了。
The low-pressure area in the slipstream of a moving object means less energy is needed to maintain the same speed just behind it.
在一个快速行进的物体后产生一个气流低压区，意味着在此区间行进物体要维持行其速度不变所需付出的能量更小。
Vibrating in the wind, the bristles create some drag. But they also reduce the wing’s slipstream, an area of low-pressure turbulence that pulls back on the wing, and hence reduce drag.
风中振动时，刷毛会产生反作用力，但同时它也可以减少机翼滑流，产生一个低气压乱流，机翼上形成回力，因而减小阻力。

But suspect and banned organisations seem to be moving in the slipstream of genuine charities.
ECONOMIST: Cambodia and Islamism
Looking to policy for the answer, however, is apt to return us to the same misdirected slipstream we sense we need to leave.
FORBES: In Our Fear-Based Economy, Fiscal Cliff Talks Obsess Over Income, Ignore Net Worth
Start-ups tend in any case to ride in the slipstream of big technology companies, often recruiting engineers with a few years' experience at an established firm.
ECONOMIST: London’s tech firms

a current of air behind a quickly moving object, such as a car travelling extremely fast or an aircraft

The slipstream of a fast-moving object such as a car, plane, or boat is the flow of air directly behind it.