v smother or suppress
v make moist
v deaden (a sound or noise), especially by wrapping
v reduce the amplitude (of oscillations or waves)
v make vague or obscure or make (an image) less visible
v check; keep in check (a fire)
v lessen in force or effect
v. 使湿( dampen的过去式和过去分词 ); 抑制; 控制; 减弱（感情、反应等）