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  1. groundbreaking

    • IPA[ˈɡraʊn(d)breɪkɪŋ]

    英式

    • adj.
      innovative; pioneering
    • 釋義

    形容詞

    • 1. innovative; pioneering groundbreaking research into fertility problems
    • 更多解釋
    • IPA[ˈɡroundˌbrākiNG]

    美式

    • adj.
      breaking new ground; innovative; pioneering: groundbreaking research into fertility problems

    Oxford American Dictionary