| 释义 |
🔑bacteriabac·te·ri·a /bækˈtɪriə / noun [plural] (biology生物) very small living things that are too small to be seen with the eye. Bacteria exist in large numbers in air, water, soil, plants, and the bodies of people and animals. Some bacteria cause disease.细菌 ➡ look at germ (1) |