乳酸菌

例句：

1. 1. Lacticacid bacteria are essential for the fermentation process in cheese making.
   乳酸菌在奶酪制作过程中的发酵过程中起着至关重要的作用。
2. 2.The yogurt is made from milk that has been cultured with lactic acid bacteria.
   酸奶是用经过乳酸菌培养的牛奶制成的。
3. 3.Researchers have found that lactic acid bacteria can help reduce the risk of food poisoning.
   研究人员发现，乳酸菌可以帮助降低食物中毒的风险。