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	rumen Rumford Rumi ruminant ruminate Ruml rummage rummage sale rummer rummy chignon chigoe Chihli Chihuahua Chikamatsu chikee chilblain Chilcat child Child child abuse child-battering childbearing childbed childbed fever

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