Walk, to a certain extent, we walk this is to the future space station, space laboratory after the docking failure, one can exits in the docking outside its success to this.

• 行走了，有一定的目的，我们这次行走主要是为了将来空间站、空间实验室对接以后出现故障，人可以出舱，在外边把它对接成功，是为了这个。