资料来源 : pyDict

酪脂

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Butyrin \Bu"ty*rin\, n. (Physiol. Chem.)
   A butyrate of glycerin; a fat contained in small quantity in
   milk, which helps to give to butter its peculiar flavor.

资料来源 : WordNet®

butyrin
     n : any of three glycerides of butyric acid