noun🔗Share原核生物，原核细胞。 An organism whose cell (or cells) are characterized by the absence of a nucleus or any other membrane-bound organelles."Bacteria are prokaryotes, meaning their cells do not have a nucleus. "细菌是原核生物，也就是说，它们的细胞里没有细胞核。organismbiologymicroorganismscienceChat with AIVocabulary GamePractice Reading
noun🔗Share原核生物，前核生物。 In the two-empire system of biological taxonomy, an organism of the kingdom Prokaryotae (now superseded)."Before scientists further classified life, all bacteria were grouped as prokaryotes, meaning they lacked a nucleus. "在科学家进一步对生命进行分类之前，所有细菌都被归类为原核生物，也就是说它们没有细胞核。organismbiologymicroorganismscienceChat with AIVocabulary GamePractice Reading
