“开创者”用英语怎么说？

凯莱是该领域主要开创者之一.Kelley wasone of the main pioneers in the area.冯.布劳恩 ( Wernhervon Braun,1912-1977 ) 是20世纪液体燃料火箭技术和宇航工程的开创者和奠基人.Wernher von Braun ( 1912 - 1977 ) was a romantic person in the field of rocket.他是心脏移植手术的开创者.He ...