| COMMENTARY |
It has been more than half a century since humans first went into space, and China's aviation technology has developed rapidly in the past decade. The shuttle bus is like a bus that shuttles between the ground and space. It has a landing gear system like an airplane, so that the shuttle takes off and lands horizontally on a runway like an airplane. In the future, space buses can carry cargo and people into space, and check into the space station and start an amazing journey into space. |
