Several hundred miles eastward from Florida there is a part of the ocean called the Sargasso Sea

题目

Several hundred miles eastward from Florida there is a part of the ocean called the Sargasso Sea
进行语法分析
there引导的从句和Several hundred miles eastward from Florida是什么关系

答案

翻译：从佛罗里达向东几百英里,有一片叫马尾藻海的海洋.
Several hundred miles eastward from Floridas是地点状语啊,说明海洋的位置；
there is a part of the ocean called the Sargasso Sea 不是从句,就是there be结构表存在,这是句子的主干.called the Sargasso Sea 做ocean的后置定语.

再举一例：Three hundred miles from here, there is a mountain.

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