cholesterol

例句：

1. 1.The doctor prescribed a high-cholesterol diet for my father's heart condition.
   医生为我父亲的心脏病状况开了高胆固醇饮食。
2. 2. Cholesterol is an essential component of cell membranes.
   胆固醇是细胞膜的重要组成部分。
3. 3. The study found that high levels of cholesterol in the blood could be a risk factor for heart disease.
   研究发现，血液中胆固醇水平过高可能是心脏病的一个风险因素。