bacterium

🇬🇧/bækˈtɪəriəm/ 🇺🇸/bækˈtɪriəm/ 16
a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.

noun [专属名词]细菌

He had a course of antibiotics to kill the bacterium. 他服了一疗程的抗生素来杀死细菌。

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