胆固醇是一种天然的类似脂肪的物质，存在于所有动物组织包括人类，因为它是所有细胞膜的组成部分。
Cholesterol is a natural fat-like substance found in all animal tissue-humans included-because it is part of all cell membranes.
一项以老鼠为研究对象所做的实验显示，母鼠在怀孕或授乳期食用含脂肪和糖类浓度过高的食物最终会导致幼鼠有类似的食物偏好。
An experiment conducted in rats shows that females eating diets dense with fats and sugars while pregnant or lactating ended up with offspring with similar food preferences.
尽管从脂肪(甚至食用油)而不是糖分中，提取出的生物柴油已经成为媒体关注的焦点，但是杜米斯克表示，两种加工过程具有类似的环境与经济优点。
Although the biodiesel that has made headlines lately is made from a fat (even used cooking oil), not a sugar, both processes have similar environmental and economic benefits, Dumesic says.
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