'We do it when we mull something over; cows do it when they chew their cud'
ruminate
RU BEING SERVED?: We do it when we mull something over; cows do it when they chew their cud
We do it when we mull something over; cows do it when they chew their cud
We do it when we mull something over; cows do it when they chew their cud
"RU" BEING SERVED?
ruminate
"RU" BEING SERVED?