Old MacDonald had a farm
学说拟声词
Old MacDonald had a farm, E-I-E-I-O
And on that farm he had a dog, E-I-E-I-O
With a "ruff-ruff " here
and a "ruff-ruff" there
Here a " ruff " there a " ruff "
Everywhere a " ruff - ruff "
Old MacDonald had a farm, E-I-E-I-O