酸奶的由来，英文的

Leben is that one kind of nutrition is rich , digest easily drink. Originate from Bulgaria. Thracian who gives first place to the nomadism a long time ago, follows a herd of livestock to wander on greeat glassland being often carrying the leather bag tanking up ewe's milk on the back. Because of the air temperature , the temperature effect and other cause, common unexpected turn of events of milk in leather bag sour but assumes the residue shape, a little such milk pours into the milk middle have cooked , the milk have cooked is also changed into acid very quickly. This is to be the earliest leben. Thracian likes to drink this milk very much, thereupon unceasingly explore simple and convenient, effect nicer fabrication leben method.
He|she's · Burma Qinikefu when studying the long-lived problem of human being the beginning of 20 centuries , the Russia scientist , go round Bulgaria to do investigation , have 4 being to pass away above hundred-year-old , being apt before