n a large and hurried swallow
n a spasmodic reflex of the throat made as if in swallowing
v to swallow hurriedly or greedily or in one draught
v utter or make a noise, as when swallowing too quickly
n. 一大口（尤指液体）( gulp的名词复数 )
v. 狼吞虎咽地吃, 吞咽( gulp的第三人称单数 ); 大口地吸（气）; 哽住