v. 使湿( dampen的第三人称单数 ); 抑制; 控制; 减弱（感情、反应等）

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