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  1. up-

    • IPA[ʌp]
    • pref.
      (added to verbs and their derivatives) upwards;to a more recent time
    • 釋義

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    • 1. (added to verbs and their derivatives) upwards upturned upthrow
    • to a more recent time update
    • 2. (added to nouns) denoting motion up upriver uphill
    • 3. (added to nouns) higher upland upstroke
    • increased up-tempo