英语词汇“proving ground”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	proving ground
释义	proving ground any place, context, or area for testing something, as a piece of scientific equipment, a theory, etc. [1940-45]
随便看	liquid crystal liquid fire liquid glass. liquid gold liquidity liquidity preference liquidize liquid measure liquid oxygen liquid petrolatum. liquid propellant liquid protein liquid storax. liquidus liquor liquorice liquorice allsorts liquorish Lir lira lira da braccio lirella lirellate liriope liripipe

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