hotbed

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++hot·bed /ˈhɒtbed $ ˈhɑːt-/ noun  a hotbed of something LOT/LARGE NUMBER OR AMOUNTa place where a lot of a particular type of activity, especially bad or violent activity, happens 某事物的温床〔尤指坏事或暴力活动〕 the university was a hotbed of radical protest 那所大学是激进抗议活动的温床。

Examples from the Corpus

hotbed• You may know Quebec as a hotbed of ornery, croissant-munching separatists.• No longer does the complex have the reputation as a hotbed of Merseyside militancy.• The Ariadne, if I may put it that way, is a hotbed of super-sensitivity.• Vasey's, like any other establishment, was a hotbed of gossip.• Since the province was a hotbed of gentry resistance to the emancipation, confrontation looked a real possibility.• The Northern Band was centred in Kurunagala district, which was long considered the hotbed of the crime.

hot·bed nounChineseSyllable  

Corpus a place lot a where of a

hotbed
hot‧bed /ˈhɒtbed $ ˈhɑːt-/ noun
a hotbed of something a place where a lot of a particular type of activity, especially bad or violent activity, happens:
    the university was a hotbed of radical protest

hot·bedBrE /ˈhɒtbed/ 🔊NAmE /ˈhɑːtbed/ 🔊 noun [usually singular] ~ of sth a place where a lot of a particular activity, especially sth bad or violent, is happening （坏事、暴力等的）温床◆The area was a hotbed of crime. 这个地区以前是犯罪活动的温床。🔊🔊