In plain words
Yaśōdā coaxes: "You who set ablaze [with the fire of their fear] the bodies of the two wrestlers [Cāṇūra and Muṣṭika] who came at you like two mountains, come and climb onto my lap, so that your chest, shining and full of beauty, may be filled with milk; take one breast in your mouth and twirl the other with your hand, and drink from both breasts in turn, stopping again and again for breath!"