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
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the country was a hotbed of revolt and dissension .该国是反叛和冲突的温床。