温床

The city is a hotbed of crime.

这个城市犯罪的温床。

Air-conditioning ducts create a perfect breeding ground for Legionnaire's disease bacteria.

空调系统的输军团病细菌的绝佳温床。

Obviously, not really severe punishment, has built the hotbed for some business's adventurist actions.

显然，不甚严厉的惩处，一些商家的冒险行搭建了“温床”。

"Modern cities are a window of modern civilization and, at the same time, a hotbed of crime."

"现代城市现代文明的窗口,同时又犯罪的温床。"

The ichneumon wasp paralyses its prey without killing it and lays its larva inside this convenient source of fresh meat, to eat it slowly alive.

姬蜂，黄蜂使猎物麻痹而不杀死们，并将它们的活体们幼虫的温床，并慢慢的从们的活体吸收养分。