been 是錯的,應該是:they have made many great inventions
意思是:他們有許多偉大的發(fā)明
One of the first greatest inventions is still very important.
這些偉大發(fā)明中最早的一項現(xiàn)在仍然非常重要
There have been many great inventions.One of the first greatest inventions is still very important
There have been many great inventions.One of the first greatest inventions is still very important
英語人氣：576 ℃時間：2019-08-21 21:42:35
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