Tránh tình trạng giật lag – Đổi sang trình duyệt Cốc Cốc tại đâyCaltech professor Qian Xuesen endures five years of McCarthy-era investigations before returning to China to become the father of the country's space program.
Caltech professor Qian Xuesen endures five years of McCarthy-era investigations before returning to China to become the father of the country's space program.