| 释义 |
bacterium
bacterium /bækˈtɪə.ri.əm/ aep /-ˈtɪr.i-/ noun [C usually plural] (PLURAL bacteria)
► C1 a type of very small organism that lives in air, earth, water, plants, and animals, often one that causes disease: » an illness caused by bacteria in drinking water» The bacterium Streptococcus pneumoniae causes about a third of some 3,000 annual meningitis cases.Thesaurus+: ↑Bacteria, moulds, germs and viruses |