bacterium

🇬🇧/bækˈtɪəriəm/ 🇺🇸/bækˈtɪriəm/ 36
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。

bac(看作back背后) + ter + ium → 总是偷偷(背后)让人得病的东西 → 细菌
单词造句: