Betekenis van:
quack-quack

Werkwoord

Voorbeeldzinnen

1. "Quack, quack," said the duck.
2. He must be a quack doctor.
3. The cow goes "moo," the rooster goes "cock-a-doodle-doo," the pig goes "oink, oink," the duck goes "quack, quack" and the cat goes "meow."