vi.叹气；悲叹，悲鸣；vt.叹气地说；n.叹气，叹气声； 变形： 过去式：sighed过去分词：sighed现在分词：sighing第三人称单数：sighs 双语释义：v.(动词)vt. & vi. 叹气,叹息 make act of sighing; sound of a sighn.(名词)[C] 叹息,叹气 act or sound of sighing英英释义： sigh[ sai ]n.an utterance made by exhaling audibly同义词：suspirationa