谁能帮我翻译以下一段英文？请不要用翻译器.感激不尽！！

Question

Qian Xuesen was a scientist who made important contributions to the missile and space programs of both the United States and People's Republic of China. NASA documents commonly refer to him as H.S. Tsien.During the 1940s Qian was one of the founders of the Jet Propulsion Laboratory at the California Institute of Technology. During the Second Red Scare of the 1950s, the United States government accused Qian of having communist sympathies, and he was stripped of his security clearance in 1950. Qian then decided to return to China, but instead was detained at Terminal Island near Los Angeles. After spending 5 years under virtual house arrest[5], Qian was released in 1955, in exchange for the repatriation of American pilots captured during the Korean War. Notified by U.S. authorities that he was free to go, Qian immediately arranged his departure, leaving for China in September of 1955, on the passenger liner SS President Cleveland of American President Lines, via Hong Kong. He returned to lead the Chinese rocket program, and became known as the "Father of Chinese Rocketry" 。

Answer 1

钱学森是一位科学家谁向导弹和两个美国和人民共和国的中国空间计划的重要贡献。美国航天局的文件通常称他为房协Tsien.During钱是20世纪40年代的喷气推进实验室的创始人之一的加州理工学院。在第二红色恐怖20世纪50年代，美国政府指控钱有共产主义的同情，他是他在1950年安全检查剥夺。钱然后决定返回中国，而是在码头附近被洛杉矶岛拘留。在花费被软禁5年[5]，钱是在1955年发表在美国飞行员回国交流，在朝鲜战争中被俘。美国当局通知，他可以自由地去，立即安排了他的钱出发，为中国在1955年9月离开，在客运班轮党卫军总统克利夫兰的美国总统轮船，取道香港。他回到带领中国火箭计划，并成为被称为“对中国火箭之父”。