sourdough
noun [ U ] uk/ˈsaʊə.dəʊ/ us/ˈsaʊr.doʊ/
酵头（发酵用的含酵母面团）
a mixture of flour and water that is left to ferment (= change in a chemical process) and then used to make bread
sourdough bread 用面肥发的面包
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。