What does "one of my friends" mean in English for Spanish?

In English for Spanish, "one of my friends" means:

uno de mis amigos

Listen to "one of my friends": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 3, Level 3, Scene 11