Proving ground
volume
British pronunciation/pɹˈuːvɪŋ ɡɹˈaʊnd/
American pronunciation/pɹˈuːvɪŋ ɡɹˈaʊnd/

"proving ground"की परिभाषा और अर्थ

Proving ground
01

a workplace for testing new equipment or ideas

example
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