一口气的英文：onebreathinonebreath.
例句：
Gulp down a cup of tea.
一口气喝下一杯茶。
A current of air is blown on a flame.
一口气吹在火焰上。
Draw (in) a deep Breath and let it out slowly.
深深吸一口气,然后慢慢地往外吐。
He devoured the new detective story.
他一口气读完那本新侦探小说。
dill breathed his patient breath.
迪尔慢吞吞地吐了一口气。
A long-distance runner must be long-winded.
长跑运动员必须有一口气能跑很长距离的本领。
