sputnik
🇺🇸
/ˈspʌtnɪk/
🇬🇧
/ˈspʌtnɪk/
An artificial satellite, especially one launched by the Soviet Union in the 1950s and 1960s.
The launch of Sputnik marked the beginning of the space race.
斯普特尼克的发射标志着太空竞赛的开始。