a bed of earth heated by fermenting manure, for raising or forcing plants (由发酵的粪肥产生热量的)温床(为栽培植物或促使植物生长) ■an environment promoting the growth of something, especially something unwelcome (促使某事物发展的环境,尤指不受欢迎之物)温床 the country was a hotbed of revolt and dissension. 该国是反叛和冲突的温床。