Today, we are really talking too happy, very happy to go to our solution, a professor introduced the astronaut selection, training and their living space, thank you, goodbye!

• 我们今天实在是真的是聊得太开心了，非常高兴请到解教授给我们介绍了航天员的选拔、训练还有他们的太空生活，谢谢您，再见！