Mahabharata 1.21.8

सर्पाणां सूर्यतप्तानां वारिणा त्वं प्लवो भवत्वमेव परमं त्राणमस्माकममरोत्तम

sarpāṇāṃ sūryataptānāṃ vāriṇā tvaṃ plavo bhavatvameva paramaṃ trāṇamasmākamamarottama

Our plain-language meaning of this verse is waiting for scholar review.