damp-proof course (also `damp course) layer of material near the bottom of a wall to stop damp rising from the ground 防湿层(在墙基处阻止湿气由地面上升的一层建筑材料). damp / dAmp; dAmp/ v 1 [Tn] = dampen 1. 2 [Tn, Tn.p] ~ sth (down) (a) reduce (noise, etc) 减低(声音...