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1. Oxford Dictionary

   ptyalin

   • IPA[ˈtʌɪəlɪn]

   英式

   • n.
     a form of amylase found in the saliva of humans and some other animals.

   • noun: ptyalin

2. • 更多解釋

   ptyalin

   • IPA[ˈtīələn]

   美式

   • n.
     a form of amylase found in the saliva of humans and some other animals.

   Oxford American Dictionary