单语范例（未经PONS编辑处理）
The result is a glut of liquid skim milk, which remains after most butterfat has been removed.
www.theglobeandmail.com The water content of milk and dairy products varies with the percentage of butterfat so that whole milk has the lowest percentage of water and skimmed milk has the highest.
en.wikipedia.org Whereas butter is made from the butterfat of milk, modern margarine is made mainly of refined vegetable oil and water, and may also contain milk.
en.wikipedia.org Butter is a dairy product that consists of butterfat, milk proteins, and water.
en.wikipedia.org This white froth means that the concentration of butterfat in the evaporated milk used is high enough.
en.wikipedia.org