DICT.TW Dictionary Taiwan

 sour·dough /ˈsaʊ(ə)rˌdo, ||ˈdo/
 酵母;麵筋;美國西部

 sourdough
      adj : leavened with a small amount of fermented dough; "sourdough
            bread" [syn: sourdough(a)]
      n 1: a leaven of dough in which fermentation is active; used by
           pioneers for making bread
      2: a settler or prospector (especially in western United States
         or northwest Canada and Alaska)