testing ground
noun/ˈtestɪŋ ɡraʊnd/
/ˈtestɪŋ ɡraʊnd/
- a place or situation used for testing new ideas and methods to see if they work
（新思想、新方法的）试验场，试点 - Eastern Europe has been a testing ground for rapid economic reform.
东欧成为了快速经济改革的试验场。
- Eastern Europe has been a testing ground for rapid economic reform.
- a place used for testing machines, etc. to see if they work correctly
（机器等的）试验场 - a piece of land in use as a tank testing ground
用作坦克试验场的一块土地
- a piece of land in use as a tank testing ground