n.脂质，类脂

Cholesterol is an essential lipid found in cell membranes.
胆固醇是细胞膜中的一种必需脂质。
The high-fat diet led to an increase in blood lipid levels.
高脂肪饮食导致血脂水平升高。
Lipids serve as a primary energy storage in the body.
脂质是身体的主要能量储存物质。
Phospholipids are amphiphilic molecules, meaning they have both hydrophilic and hydrophobic regions.
磷脂是一种亲水和疏水两性的分子。
Triglycerides are a common type of lipid stored in adipose tissue.
甘油三酯是脂肪组织中常见的脂质类型。
The liver plays a crucial role in lipid metabolism.
肝脏在脂质代谢中起着关键作用。
High-density lipoproteins (HDL) are known as "good" cholesterol because they transport excess cholesterol back to the liver.
高密度脂蛋白（HDL）被称为“好”胆固醇，因为它们能将多余胆固醇送回肝脏。
Lipid peroxidation can lead to cellular damage in the presence of free radicals.
脂质过氧化在自由基存在时可能导致细胞损伤。
Statins are drugs that inhibit the production of lipids in the liver.
他汀类药物可以抑制肝脏内脂质的生成。
A balanced diet should include healthy fats, like monounsaturated and polyunsaturated lipids, for overall health.
均衡饮食应包含健康的脂肪，如单不饱和和多不饱和脂质，以维持整体健康。