Now researchers say learning to walk millions years ago was not without its trials . a re - examination of anklebones from early hominids indicates their gait was not as stable as previous research suggested 美国研究人员通过对早期原始人类的踝关节进行重新研究后发现，早期人类的步态并非如同此前人们认为的那么稳健。
An old saying goes like that , “ all the people in wuqiao , be he an old man of 99 or a baby just learning to walk , can do tricks - playing . ” wuqiao has been praised as “ hometown of acrobatics ” and “ the cradle of world acrobatic art ” 吴桥杂技艺术以其源远流长、技艺精湛、人才济济而成为杂技艺术的发祥地，在国内外享有盛名，被誉为“杂技之乡” 、 “世界杂技艺术的摇篮” 。
What makes the robots unique is that they learned to walk on different surfaces without any prior programming information from their inventors at the massachusetts institute of technology in boston , cornell university in new york in the united states and delft university of technology in the netherland 这种机器人的独特之处是，没有任何预先来自它的发明者- -美国波士顿的麻省理工学院，纽约康奈尔大学，荷兰的代尔夫特理工大学?的编程信息，它们就学会在不同的表面上行走。
