Worst of all, his mouth was open, and his chest could be seen to vibrate as he panted.
At last a word struck him, and made his whole soul to vibrate.
Its deep rumble made the whole night vibrate like a bass string.
These and your tongue and lips make the air in front of you vibrate.
If the vocal cords of your throat did not vibrate, you could not talk out loud.
If an ...