In a small, hollow room, sound can be reflected from the walls giving rise to standing waves, and in those cases we indeed hear reverberations.
(sound; can be reflected; from the walls; L:In a small, hollow room) (the walls; giving; rise; to standing waves) (we; indeed hear; reverberations; L:in those cases)
sound the walls we
can be reflected giving indeed hear
from the walls L:In a small, hollow room
rise to standing waves
reverberations L:in those cases