1. breeding ground
There is no better breeding ground for it than Hollywood.
These animals always return to the same breeding ground.
This creates an ideal breeding ground for crime.
This school has always been a breeding ground for the worst kind of people
We must protect the breeding grounds of all animals facing extinction.
It's a real breeding ground for all sorts of thugs.
英語 "という言葉Ziemia hodowlana"(breeding ground)集合で発生します。
Future of Air Travel2a, 2b połowa