温おん床しょう

noun

hotbed; breeding ground

Used both literally (e.g., a heated seedbed in agriculture) and figuratively for a place or environment where something, often negative, develops rapidly.

• この地ち域いきは犯はん罪ざいの温おん床しょうになっている。

  This area has become a hotbed of crime.

• 温おん床しょうで苗なえを育そだてる。

  Grow seedlings in a hotbed.