noun🔗Share细菌，病菌 A single celled organism with cell walls but no nucleus or organelles."The scientist examined the sample and found a bacterium, a tiny cell without a nucleus, under the microscope. "科学家检查了样本，在显微镜下发现了一个细菌，这是一种没有细胞核的微小细胞。organismbiologymicroorganismscienceChat with AIVocabulary GamePractice Reading
