It's called bloating. Your last meal, (whenever it was) released gases inside your stomache causing you to feel full or pressured.
A belly ache is any pain in the belly, stomach or abdomen.
Pressure - Belly song - was created in 2007.
Belly is to Stomach, as "Ponpon" is to "Onaka"
Stomach
stomach
Ventre = Belly = Masculine I presume you're talking about the belly as in stomach ;)
"Belly" is a general reference to the abdomen, which includes the stomach, liver, spleen, and small and large intestines (and other structures). "Stomach" is a specific organ.
You can lay on your back to take the pressure off your stomach. You can also lay on one side. Then you can frequently change positions.
My belly or my stomach.
Either.
belly
stomach