gulp /ɡ?lp/ v. 狼吞虎咽，大口吞咽，匆匆吞下 n. 一大口，吞饮的量
affect /??fekt/ v. 影响
■ 如果想表达“一口气吞下”，则可以用 in one gulp 和at a gulp。例如：He drank the glass of whiskey in one gulp.（他将整杯威士忌一饮而尽。）
支付饭费 pay for the meal
A：I got a promotion. So I'd like to treat you to dinner and I'll pay for the meal.
我升职了。所以我想请你吃饭，饭费我来支付。
B：Congratulations and all the best!
恭喜你！祝你万事如意！
promotion /pr??m???n/ n. 提升，提拔，晋升
◆ pay for… 为……付账
