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更新日期:2026-08-14
at one gulp1.一口:When the child threw a piece of meat to a dog,the dog swallowed it at one gulp.那个男孩扔给狗一块肉时,那条狗一口就吞下去了。2.一口气:John was too thirsty,he emptied a glass of water at one gulp.约翰太渴了,他一口气就喝下一杯水。