Although it is a fatty substance, it is also a fat emulsifier.

它虽然是不饱和脂肪酸的物质，它也是一个胖乳化剂。

OINTMENT: A fatty substance such as lard to which herbs are added.

油膏(ointment): 一种加入药草的固态油脂.

Cholesterol is a fatty substance made naturally by the body and also found in many foods.

胆固醇是由人体自然合成的脂肪物质，很多食物中也含有胆固醇。

The axons that exist in the white matter are wrapped with a fatty substance called myelin.

轴突存在于大脑的白质中，被一种叫做髓磷脂的脂质物质所包裹着。

A fatty substance that is naturally produced in the brain, anandamide has been isolated from chocolate by pharmacologists at the Neurosciences Institute in San Diego.

这种大脑自然分泌的脂肪物质已经被圣地亚哥的神经学研究所的药理学家从巧克力中分离出来了。