求翻译：钱学森是一位伟大的科学家，他的夫人是一位著名的京剧演唱家。在他24岁的时候，他去了美国，而且在哪里生活了20年。到了1955年，他带着妻子和两个在美国出生的孩子回到了中国。在那之后，他投身于中国的导弹和航空事业中。为祖国做出巨大的贡献，也成为了“感动中国”人物之一。是什么意思？

Qian was a great scientist, his wife is a famous opera singer. In his 24-year-old, he went to the United States, but where life for 20 years. In 1955, he took his wife and two children born in the United States returned to China. After that, he devoted himself to China's missile and aviation career.

Qian Xuesen is one of the great scientist, his wife is a renowned opera singer. At the time when he was 24 years old, he went to the United States, but where is the 20 life. In 1955, he was with his wife and two children born in the United States back to China. After that, he devoted himself in the

Qian Xuesen is a great scientist, his madame is a famous Peking opera sings the family.At he 24 year-old time, he has gone to US, moreover has lived for 20 years in where.To in 1955, he was leading the wife and two the child who is born in US returned to China.After that, he joins in China's missile

Qian xuesen was a great scientist, his wife is a famous opera singer. At the time he was 24, he went to the United States, and where has lived for 20 years. That by the year of 1955, he took his wife and two in the United States-born children back to China. After that, he devoted to Chinese missiles

Of Qian xuesen was a great scientists, his lady was a famous Peking opera singers. At the time he was 24, he went to the United States, and where has lived for 20 years. That by the year of 1955, he took his wife and two in the United States-born children back to China. After that, he devoted to Chi