他一口喝干了这杯。
In one ___gulp, he drained the glass.
他狼吞虎咽地吃完了整盘披萨。
He ___gulped down the entire plate of pizza.
他大口大口地灌着可乐，发出咕咚咕咚的声音。
He was ___gulping his cola noisily at the party.
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