吧: crackling了: finish; complete; end; fulfi ...一口: with certainty; readily; fla ...烟: smoke吸一口烟: take a suck at one s pipe哈了一口气: breathe out a breath舒了一口气: heave a sigh of relief easy她咬了一口: frowned咬了一口: take a bite狠狠咬了一口: bite钻了一口干井: draw a blank宽慰地松了一口气: breathe a sigh of relief他咬了一口苹果he: took a bite at the apple往地上吐了一口痰: spit启迪,鼓舞,激发 深深地吸了一口气: i ire让…长长舒了一口气的是: relief 1炮口烟: gun smoke; muzzle smoke一口: 1.(表示口气坚决) with certainty; readily; flatly 一口答应 readily agree; readily promise; 一口否认 flatly deny; 一口回绝 flatly refuse; 一口咬定 assert categorically; accuse definitely2.(纯正) pure 讲一口地道的英语 speak idiomatic english3.[量] a mouthful; a bite 一口蛋糕 a bite of cake; 呷一口威士忌 take a nip of whisky; 今天我们一口饭都没吃。 we have not had a bite today. 他要一口把它吃掉。 he wants to eat it up at a mouthful他叹了一口气慢慢地坐到位子上: one go敞口烟罩: open hood逃出来的老虎被捕获后大家都松了一口气: with the capture of the escaped tiger everyone felt relieved. trapping了一: ryoichi炉子出口烟道: furnace offtake窑炉出口烟道: furnace offtake尝一口: a taste of