The university was a breeding ground for political radicals.
School football has always been a breeding ground for new talent.
High-school football has always been a breeding ground for new talent.
Mosquitoes use ponds as their breeding grounds.
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。