noun 下载 🔗分享 脂类,脂肪。 Any of a group of organic compounds including the fats, oils, waxes, sterols, and triglycerides. Lipids are characterized by being insoluble in water, and account for most of the fat present in the human body. Examples : "Our bodies need lipids, like fats and oils, for energy and to build healthy cells. " 我们的身体需要脂类,比如脂肪和油脂,来提供能量并构建健康的细胞。 biochemistry chemistry biology substance body food physiology medicine science compound 与AI对话词汇游戏阅读练习