When I fill up a mug, preferably ceramic, with very hot water (just under boiling ) and then tap on the bottom with a spoon to a steady beat (from the inside through the water), the pitch of the sound of my spoon hitting the bottom of the cup rises steadily.
(I; fill up; a mug, preferably ceramic, with very hot water) (the pitch of the sound of my spoon; rises steadily; T:When I fill up a mug, preferably ceramic, with very hot water (just under boiling ) and then tap on the bottom with a spoon to a steady beat (from the inside through the water)
I the pitch of the sound of my spoon
fill up rises steadily
a mug, preferably ceramic, with very hot water
T:When I fill up a mug, preferably ceramic, with very hot water (just under boiling ) and then tap on the bottom with a spoon to a steady beat (from the inside through the water