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  1. proven

    • IPA[ˈpro͞ovən]

    美式

    • adj.
      demonstrated by evidence or argument to be true or existing;(of a new method, system, or treatment) tried and tested
    • 釋義

    形容詞

    • 1. demonstrated by evidence or argument to be true or existing a proven ability to work hard a proven risk to health
    • (of a new method, system, or treatment) tried and tested a system based on proven technologies