We need two pieces of bread,two spoons of butter,one onion,one tomato,three pieces of turkey and one spoon of gravy.First,put the butter on one piece of bread.Next,wash the onion ahd tomato and cut the onion and the tomato into pieces.Then,put the tomato,three pieces of turkey and the onion on the bread.Finally,cover it with gravy and put another piece of bread on it.的意思