Jet streams are a symptom of the overall atmospheric movement, not a driving force.

急流是整个大气运动的征兆，而不是驱动力。

youdao

At high altitude you have jet streams, and the wind velocity is not the same at all altitudes.

在高海拔处会有高速气流，风速在不同的海拔处，并不相同。

youdao

All this affects the movement of the jet streams, which reflect but do not create air movement.

所有这些都会影响急流的运动，急流的运动只是反映了而不是创造了空气的流动。

youdao

The National Weather Service had earlier said the combination of two weather systems from the polar and sub-tropical jet streams would produce a "potentially historic" storm.

BBC: Snowstorm batters north-east US and Atlantic Canada

In a report in the journal Nature, US researchers say they have worked out how black holes emit jet streams of particles at close to light speed.

BBC: Black holes reveal more secrets

It will make its way into the jet stream and come the the US. The same jet streams that carried Japanese baloon bombs to the US in WW2.

FORBES: Coal Imports Bolster India's Private Ports