hotbed 

  1. 名詞
溫床
/尤指培育植物或孳生疾病、犯罪等的/
/此名詞複數為"hotbeds"/

    同義字詞
breeding ground,hothouse,nest,nursery,seedbed,seminary

例句

  1. It was a hotbed of entrepreneurs.
  2. Now there is one hotbed of democrats!
  3. The hotbed class for the last few years!
  4. Just a real hotbed of innovation , right?
  5. It is a hotbed of civil rights litigation.