the Met Office
noun uk/ˈmet ˌɒf.ɪs/ us/ˈmet ˌɑː.fɪs/
（英国的）国家气象局
the British government department that studies weather conditions and says what is expected to happen with the weather
The Met Office says that the heatwave will continue for most of the week. 国家气象局称本周大部分时间热浪仍将持续。
a Met Office forecast/spokesman 国家气象局预报／发言人