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  1. Oxford American Dictionary

    bolus

    • IPA[ˈbōləs]

    美式

    • n.
      a small rounded mass of a substance, especially of chewed food at the moment of swallowing.；a type of large pill used in veterinary medicine.

    • noun: bolus, plural noun: boluses

    • 釋義

    名詞

    • 1. a small rounded mass of a substance, especially of chewed food at the moment of swallowing.
    • ▪ a type of large pill used in veterinary medicine.
    • ▪ a single dose of a drug or other medicinal preparation given all at once.