pioneer怎么读
1、pioneer英[?pa???n??(r)]美[?pa???n?r]，n.先锋; 先驱; 带头人; 开发者; 拓荒者;vt.当开拓者; 做先锋; 倡导。 2、[例句]It was based on concepts developed at Vanderbilt Universitys Peabody College by Susan Gray, the legendary pioneer in early childhood education research...