天王星是太阳系中唯一一个几乎横躺着旋转的行星。

___Uranus is the only planet in our solar system that rotates almost on its side.

在希腊神话中，乌拉诺斯是天空的化身，也是泰坦们的父亲。

In Greek mythology, ___Uranus personified the sky and was the father of the Titans.