He's been on a low-cholesterol diet since his heart attack.他心脏病发作过以后就只吃低胆固醇的食物。The doctor said that he wants to start Dad on a special low-cholesterol diet.医生说，他要让爸爸按特别规定进食，吃低胆固醇的东西。Heart specialists strongly advocate low-cholesterol diets.心脏病专家大力提倡低胆固醇饮食。