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  1. unproductive

    • IPA[ˌənprəˈdəktiv]

    美式

    • adj.
      not producing or able to produce large amounts of goods, crops, or other commodities;(of an activity or period) not achieving much; not very useful
    • 釋義

    形容詞

    • 更多解釋
    • IPA[ʌnprəˈdʌktɪv]

    英式

    • adj.
      not producing or able to produce large amounts of goods, crops, or other commodities: unproductive land must be reforested

    Oxford Dictionary