主语是Saturn 谓语is 宾语one of the most beautiful planets .to look at through a telescope 不定式修饰planets ,because of 引出原因状语,that surround it是定语从句,修饰the many rings 即先行词.土星是通过望...
通过望远镜看土星是最漂亮的星球之一,因为那些围绕着它的环。 Saturn is one of the most beautiful planets 这是主句 to look at through a telescope 和 because of the many rings that surround it. 都是状语