What does "to be back" mean in English for Spanish?

In English for Spanish, "to be back" means:

volver

Listen to "to be back": (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 4, Level 1, Scene 1
• English for Spanish 4, Level 1, Scene 2
• English for Spanish 4, Level 1, Scene 3