Sourdough 酸面团，又称为天然酵母面团，是由面粉和水天然发酵法培育发酵出的面团，最普遍用于Sourdough Bread 酸面包的制作。
每次我做完酸面包都会剩余一些酸面酵母，为了不浪费，我经常用剩余的酸面酵母制作酸面团松饼，美味健。
sourdough，这种面包不放酵母，和粤语的猪仔包是同一个东西。
之前在面包店打工，来的香港人要的猪仔包都是这个。
in the westen of America 美国西部: sourdough 例句与用法:二百年前，美国西部是没有法纪的。
The western part of America was lawless 200 years ago.
sourdough bread is a fermented bread which contains lactic acid bacteria and so doesfermented soy.酵母面包是一种发酵了的面包，它含有乳酸菌，发酵大豆中也含有乳酸菌
wheat, wholegrain, rye, sourdough, a pita or any other type of bread.You need 2 whole slices of bread to make a full sandwich, or you can use one slice to make a half-sandwich. You can also toast 。