Being a medic is an extra ability which is added to the class.

We've been given a few extra abilities, that's all.

That this extra ability of his might be a form of compensation, to make up in some measure for what he did not have?

Almost every other sentient species in the galaxy has extra abilities, and lives longer to boot.

If you don't have any extra abilities yourself, you just can't look a vampire in the eyes.

I fail to comprehend how a person can commit a crime by being born with an extra ability.

For the Marines, it is the extra ability necessary to survive in combat.

They usually give you an extra attack, plus an extra ability.

However, sometimes, they have extra abilities that help you proceed in the race.

I wish you'd told me before about your extra abilities.