成为宇航员对于女性来说更为严格，她们必须有良好的身体素质，并且必须是结

Becoming an astronaut is more strict for women. They must have good physical qualities, and they must have been married and have had children by birth. Girls who have entered space are no longer suitable for regenerating children. So female astronauts have stricter standards than male astronauts

Being an astronaut is more stringent for women, who must have good physical qualities, and must be married by having children, and girls who have been in space are no longer fit to have children. So the standard for female astronauts is stricter than that of male astronauts.

Becoming an astronaut is more strict for women. They must have good physical fitness, and they must be married and have children. Girls who have been in space are not suitable to have children. Therefore, the standard of female astronauts is stricter than that of male astronauts<br>