| 释义 |
flu flu /fluː/ noun [U] (FORMAL influenza) ► B1 an common infectious illness that causes fever and headache: » a flu virus» to catch/get/have (the) fluThesaurus+: ↑Colds and flu , ↑Fevers and infectious diseases• • • Extra Examples:» She's very hot and shivery, so I think she must have flu.» There are lots of people off school this week with flu. |