bread·stuff /-ˌstʌf/
  麵包原料;麵包類
  Bread·stuff n. Grain, flour, or meal of which bread is made.
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  breadstuff
       n 1: food made from dough of flour or meal and usually raised
            with yeast or baking powder and then baked [syn: bread,
             staff of life]
       2: flour or meal or grain used in baking bread