Higginbotham, who grew up in Chicago and became an engineer before joining NASA, that is the National Air and Space Administration, gives about a dozen speeches a year.
希金波坦在芝加哥长大，在加入美国国家航空航天局之前他是一名工程师，每年举办大约12次演讲。
2
He set about developing an air-cushioned sole with his engineer friend Herbert Funck.
他开始和他的工程师朋友赫伯特·菲克一起开发气垫鞋底。
3
"We're at the spot where each engineer is personally responsible for at least a million users," and growing, he says, tracing an upward line in the air.