勾销: liquidate; write off; cancel ...发信: post a letter; send transmit ...订货: order goods; place an order ...一口气: one breath写出: write out; draw up一口气写成: write off as一口气: 1.(一口气息) one breath 深吸一口气 draw a deep breath; 长叹一口气 with a long sigh; 宽慰地松了一口气 breathe [give; heave] a sigh of relief; 他叹了一口气, 慢慢地坐到位子上。 he slowly sat on the seat with a sigh.2.(不间断地) in one breath; without a break; at one go; at a stretch 一口气跑到家 rush to one's home at one go; 他一口气读完了那本小说。 he finished reading the novel at one sitting憋一口气: hold one长叹一口气: with a long sigh长吸一口气: draw a long breath喘息,松一口气: catch one’s breath喘一口气: catch ones breath; gasp for breath吹一口气: give a puff大舒一口气: relief 1倒抽一口气: gasp哈了一口气: breathe out a breath呵一口气: give a puff ah呼出一口气: exhale a breath shout缓一口气: get a breathing space深吸一口气: draw a deep breath; take a deep breath舒了一口气: heave a sigh of relief easy松一口气: breather; heave a sign of relief透一口气: catch a breath吸一口气: draw a breath; take a mouthful of air歇一口气: rest 1