Can You Speak Groot? (Marvel Guardians of the Galaxy)

Groot became a fan favorite right away despite, or perhaps because, he can only say the simple phrase "I am Groot". Now, so far in the MCU we've seen only two people able to fully understand the little twig - Rocket and Thor. What I want to know is, can you or I learn to speak Groot? Could it be a REAL language? Let's find out!