柯林斯詞典sourdough /?sa???d??/ (also sour-dough) 1. ADJ Sourdough bread is made with fermented dough that has been saved from a previous baking, so that fresh yeast is not needed. 酵母的[ADJ n] ...big chunks of sourdough bread. ...酵母麪包大厚片。 ...a sourdough bun. ...一個酵母小麪包。 返回 sourdough劍橋詞典a mixture of flour and water that is left to ferment (= change in a chemical process ) and then used to make bread 酵頭（發(fā)酵用的含酵母麪團） sourdough bread 用麪肥發(fā)的麪包 返回 sourdough