Valmiki Ramayana Sundara Kanda Sarga 9 Shloka 57
Original Shlokaशर्कराऽसवगन्धैश्च प्रकृत्या सुरभिः सुखः। तासां वदननिश्वासस्सिषेवे रावणं तदा।।5.9.57।।
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तदा then, प्रकृत्या natural, शर्करासवगन्धैश्च the sweet smell of wine (made from sugarcane juice), सुरभिः fragrant, सुखः happy, तासाम् their, वदननिश्वासः breath from their mouth, रावणम् Ravana, सिषेवे served.
The sweet smell of wine emitted from their mouth and the natural fragrance of their breath was refreshing to Ravana as if it was serving him at that time.