VOA慢速英语:What Does It Mean to Be Stumped?

stump – n. the basal portion of a bodily part remaining after the rest is removed

terrain – n. a geographic area : a piece of land : the physical features of a tract of land

axe – n. a cutting tool that consists of a heavy edged head fixed to a handle with the edge parallel to the handle and that is used especially for felling trees and chopping and splitting wood