lac.to.ba.cil.lus
n.（名词）【复数】 lac.to.ba.cil.li[-sl.o.] Any of various rod-shaped, nonmotile aerobic bacteria of the genusLactobacillus that ferment lactic acid from sugars and are the causative agents in the souring of milk. 乳酸杆菌：任一种杆状的乳杆菌 属的不游动好氧菌，它能使糖发酵产生乳酸，也是牛奶发酸的导因
