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)