his flight over the north poleIn 1929,three years after his flight over the North Pole,the American explorer,R.E.Byrd,successfully flew over the South Pole for the first time请帮忙把这个句子的结构分析一下,特别是three y
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In 1929时间状语,three years after his flight over the North Pole,时间状语.the American explorer主语.R.E. Byrd是the American explorer的同位语. flew over 谓语.the South Pole 宾语.for the first time的意思是 “作为第一次”.作用相当于一个副词.可以换为firstly.
======以下答案可供参考======
供参考答案1:
In 1929, 是时间状语，three years after his flight over the North Pole作In 1929的同位语。R.E. Byrd是主语，successfully flew over the South Pole for the first time 是谓语。 for the first time第一次做什么，必须要用for引导。
供参考答案2:
句子的意思是：在他飞过北极的三年之后，1929年，美国探险家R.E.Byrd首次成功飞跃南极。（“他”指的也是Byrd）
three years after his flight over the North Pole这整句是修饰1929这个年份的，flight作名词，表示他的一次飞行，over表示方位，在...的正上方，上空。for the first time，“第一次，首次”，固定搭配，形容词短语，在句中作状语，修饰动词flew，这个over的意思同上。
其实，这句话中，three years after his flight over the North Pole和R.E. Byrd都是插入语，把插入语去掉，就是句子的主干部分，即：In 1929, the American explorer successfully flew over the South Pole for the first time.
供参考答案3:
f