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。
2
Is the answer that, like a tall pine tree, the Japanese pagoda—with its massive trunk-like central pillar known as shinbashira—simply flexes and sways during a typhoon or earthquake?