问题描述:
his flight over the north pole
In 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 years after his flight over the North Pole这一段.还有for the first time,为什么要用for?
In 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 years after his flight over the North Pole这一段.还有for the first time,为什么要用for?
问题解答:
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