n a confused multitude of things
n a stifling cloud of smoke
v envelop completely
v deprive of oxygen and prevent from breathing
v conceal or hide
v form an impenetrable cover over
v deprive of the oxygen necessary for combustion
v. （使）窒息, （使）透不过气( smother的第三人称单数 ); 覆盖; 忍住; 抑制