lactobacillusn. 乳酸桿菌乳[酸]桿菌屬學術名詞乳酸菌[屬]：生命科學、高中生命科學乳桿菌：海洋地質學、細菌免疫學乳酸桿菌：化學術語乳酸菌屬：生命科學乳酸桿菌屬：食品科技乳桿菌屬：獸醫學英文釋義a Gram-positive rod-shaped bacterium that produces lactic acid (especially in milk)