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1. Oxford American Dictionary

   renewable

   • IPA[rəˈno͞oəb(ə)l]

   美式

   • adj.
     (of a contract, agreement, etc.) capable of being renewed；(of a natural resource or source of energy) not depleted when used
   • n.
     a source of energy that is not depleted by use, such as water, wind, or solar power
2. • 釋義

   adj.

   形容詞

   • 1. (of a contract, agreement, etc.) capable of being renewed the 30-day truce is renewable by mutual agreement
   • 2. (of a natural resource or source of energy) not depleted when used a shift away from fossil fuels to renewable energy

   n.

   名詞

   • 1. a source of energy that is not depleted by use, such as water, wind, or solar power production costs for the renewables are higher than for coal, oil, or gas