v.狼吞虎咽;(因害怕或惊讶而)倒吸气; 大口大口地吸(气);
n.吞咽(的量);一大口;
例句:
The food should be taste carfully before you gulp it.
食物吞下去之前先要细细咀嚼.
He a at one gulp.
他发出一种咳嗽和吞咽的声音,所以我最初听不大清楚.
He took the glass of milk and took a large gulp.
他喝了一杯牛奶,又吃了一大堆东西.