bu.ty.rinn.(名词)Any of three isomeric glyceryl esters of butyric acid, naturally present in butter.酪酯:丁酸的三种同分异构甘油基酯的任一种,以自然形态存在于奶油之中来源:French butyrine 法语 butyrine from Latin butyrum [butter] * see butter 源自 拉丁语 butyrum [奶油] *参见 butter