Before the heroes’ feet he bent And did obeisance reverent, And spoke, the glorious pair to praise, His words of truth in courteous phrase, High honour duly paid, the best Of all the Vánar kind addressed, With free accord and gentle grace, Those glories of their warrior race:

In plain words: Hanuman bows at the brothers' feet with respect. Then he speaks to them truthfully and politely, praising them.