He pioneered heavier-than-air flight, studying bird flight and the structure of bird wings to design hang gliders, the first patented in the USA in 1894. Lilienthal made more than 2000 flights before dying in a crash.
Mike Allaby
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。