什么是 welt?A strip, as of leather or other material, stitched into a shoe between the sole and the upper.A tape or covered cord sewn into a seam as reinforcement or trimming.A ridge or bump on the skin caused by a lash or blow or sometimes by an allergic reaction.A lash or blow producing such a mark.To reinforce or trim with a welt.To beat severely; flog.To raise welts or a welt on.