proving ground
noun /ˈpruːvɪŋ ɡraʊnd/
/ˈpruːvɪŋ ɡraʊnd/
- a place where something such as a new machine, vehicle or weapon can be tested
实验场;试验地 - It's an ideal proving ground for the new car.
这里是个理想的新车试验场。 - (figurative) The club is the proving ground for young boxers.
这个俱乐部是年轻拳击手的摇篮。
- It's an ideal proving ground for the new car.