大肠杆菌 dàchánggǎnjūn E. coli Origin Definitions Defs Strokes Stroke Words Sentences Sents 大肠 大腸 dàcháng large intestine the lower part of the digestive tract, extending from the small intestine to the anus杆菌 桿菌 gǎnjūn bacillus bacillus; any rod-shaped bacteria