| 释义 |
脂肪zhīfáng有机化合物,由三个脂肪酸分子和一个甘油分子化合而成,存在于人体和动物的皮下组织以及植物体中。脂肪是储存热能最高的食物,能供给人体中所需的大量热能。{fat; any of a class of naturally occurring soft greasy solids that are esters of one glycerol molecule and three fatty acid molecules, present in some plants and in the subcutaneous tissues of humans and animals. As the highest energy-containing nutrient, it provides large amounts of heat energy for human body.} |