NASA notes that many of Jupiter's outer moons have what are called retrograde orbits.

NASA指出，木星的许多外卫星都有所谓的逆行轨道。

This kind of movement is called a retrograde orbit.

这种运动称为逆行轨道。

Many of the irregular, distant moons of Jupiter orbit the planet backwards relative to the others, in what are called retrograde orbits.

许多不规则的、遥远的木卫相对于其他木卫来说会倒着旋转，我们称之为回溯公转。