一组以一种在酸奶和其它乳制品中经常发现的含乳酸杆菌属鼠李糖乳杆菌（学名为Lactobacillus rhamnosus）的特别液体培养基喂食。
One lot were fed a special broth containing Lactobacillus rhamnosus, a gut-dwelling bacterium often found in yogurt and other dairy products.
药鼠李树原产北美洲西北部的一种药鼠李树（珀希鼠李鼠李属），其树皮是药鼠李皮剂的原料。
A buckthorn(Rhamnus purshiana) native to northwest North America, the bark of which is the source of cascara sagrada.
药鼠李树原产北美洲西北部的一种药鼠李树（珀希鼠李鼠李属），其树皮是药鼠李皮剂的原料。
A buckthorn(Rhamnus purshiana) native to northwest North America, the bark of which is the source of cascara sagrada.
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