And holding the glass with his two hands, he swallowed the medicine at one gulp.

他两只手捧着杯子，将药水一饮而尽。

" Together, ma'am, " and Ben gulped down half of his new mug at one gulp.

“在一起，女士，”本恩一口气喝掉了他新杯子的一半。

He poured himself out a glassful of some nasty, grown-up drink and drank it off at one gulp.

他给自己倒了一杯难闻的成人饮料，一饮而尽。

A hungry wolf sprang out, and swallowed up the whole stomach, with Tom in it, at one gulp, and ran away.

一只饿狼窜了出来， 一口吞掉了整个肚子，汤姆也在里面， 然后逃跑了。