Mouthpiece in example sentence
There's a mouthpiece that you put in your mouth, and there's a counter lung, or in this case, two counter lungs.
More example sentences with word mouthpiece
Or, in the early days, when people would call up and ask for accounts payable, I would freeze and think, "Wait, are they asking for money or giving it to us?" (Laughter) And I would cover the phone, cover the mouthpiece of the phone, and say, "Scott, you're in accounts," and pass it across. 
