BOB半岛

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        yam

         
        pronunciation:
        yaem
        features:
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        part of speech: noun
        definition 1: the root of a tropical climbing plant, or the plant itself. The root is eaten as a cooked vegetable.
        definition 2: a kind of sweet potato.
         
        Word History
        Yam comes from nyam, a West African word that means "to eat." Yams are a staple in the diet of many African people, and during difficult times may be the only thing there is to eat.
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          vegetable