What? When you roll an r, that's a trill. What's a bilabial trill? When you "roll" a b or a p. Who does that? Speakers of a few languages in Africa (Kom, Ngwe), Indonesia and New Guinea (Kele, Nias, ...
When archaeologists first excavated a fifth-century A.D. cemetery in Pannonia, an ancient Roman province in present-day western Hungary, they found that a large portion of those buried there had ...