proving ground
noun /ˈpruːvɪŋ ɡraʊnd/
/ˈpruːvɪŋ ɡraʊnd/
- a place where something such as a new machine, vehicle or weapon can be tested
- It's an ideal proving ground for the new car.
- (figurative) The club is the proving ground for young boxers.
| 单词 | proving ground |
| 释义 | proving groundnoun /ˈpruːvɪŋ ɡraʊnd/ /ˈpruːvɪŋ ɡraʊnd/
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