bbc 苏联航天事业的兴衰的英文

red star in orbit

• bbc:    BBC ＝ British Broa ...
• 苏联:    the Soviet Union
• 航天:    space flight; spac ...
• 事业:    cause; undertaking
• 的:    4次方是 The fourth po ...
• 兴衰:    rise and decline; ...