How many moons does Jupiter have?

木星有多少颗卫星？

《牛津词典》

How many moons has the planet Jupiter?

木星有几个卫星？

《新英汉大辞典》

As Europa orbits its planet, however, it flexes due to the gravitational tug-of-war between it, its sister moons, and Jupiter.

然而，当木卫二绕其行星运行时，由于姊妹卫星和木星之间的引力拉锯战，它会弯曲。

youdao

At first,he thought it was the shadow of one of Jupiter's four big moons.

VOA: special.2009.08.25

In a flash of intuition, he had it: the new stars near Jupiter were actually moons, orbiting the planet as our moon orbits us.

NEWYORKER: Moon Man

It is running out of fuel for its thrusters, and once that has gone its path will be at the whim of the gravitational fields of Jupiter and its moons.

ECONOMIST: Galileo and Jupiter

And new software, plus the ability to vary the projected sizes and brightnesses of planets and moons, makes it possible to simulate the sky from anywhere in the solar system: to see earthrise from Mars, for example, or to watch Jupiter's moons rise and set from a vantage point just above the gas giant's cloud-tops.

ECONOMIST: The joys of indoor star-gazing