Here is the air track.

这里是空气轨。

youdao

Air track with a radius of 115 meters?

空甩，半径115米？

youdao

And I want to do that here with this air track.

我想用这个空气轨，来做实验。

youdao

When B-1Bs went into action in Kosovo, air force commanders could see Serbian SA-6 surface-to-air missile radars track the planes.

BBC: Profile: B-1 bomber

On top of this base sits the open air stadium with its artificial running track and grass pitch laid above the concrete roof of the car park.

BBC: Stade Louis II

In the late 1980s we deployed the new Doppler radar, the WSD-88, which can actually track the movement of air within a storm (and therefore pinpoint a tornado vortex).

FORBES: The Great Tornadoes Of 2011 Put In Perspective