Uhura looks on offering positive affirmations so that whomever is crossing can feel confident about what they are doing.
Major agrees and comments, "I'm surprised we got this far so fast after all we went through back there."
"Good" says Uhura knowing that progress is finally being made.
"Let me go talk with them, perhaps a woman's touch will get us across the waters faster." She winks and starts walking towards the natives.
In Character: "Sure, be my guests but just in case I will right there with you in case of 'anything'."
In Character: "Yes of course, I said I wanted to talk with them, not be alone with them", Uhura winks then approaches the natives.