摘要
1.Scientists have been experimenting with four-legged robots for years,trying to see if they could be used as animals for carrying heavy loads over a difficult place.But the machine’s power requirements limited their ability.That’s changed,with a running robot designed by a group of engineers at Massachusetts Institute of Technology that operates on batteries rather than heavy gasoline-powered engines.
1. Scientists have been experimenting withfour-legged robots for years,trying to see if theycould be used as animals for carrying heavy loads over a difficult place. But the machine＇s power requirements limited their ability. That＇s changed, with a running robot designed by a group of engineers at Massachusetts Institute of Technology that operates on batteries rather than heavy gasoline-powered engines.
