| 释义 |
Gagarin Yuri Alekseyevich Related to Gagarin Yuri Alekseyevich: First man in spaceGa·ga·rin G0006600 (gə-gär′ĭn), Yuri Alekseyevich 1934-1968. Soviet cosmonaut. In 1961 he became the first person to travel in space. He was killed during a routine aircraft training mission. |