Cholesterol is a vital substance for the body, but maintaining a healthy balance is crucial for cardiovascular well-being.
Word in 30 Seconds
- A waxy substance found in the blood and cells.
- Essential for building healthy cells and hormones.
- High levels can lead to heart disease.
Overview
- 1概述：胆固醇（Cholesterol）是一种广泛存在于动物组织和血液中的类固醇化合物。它是人体不可或缺的营养成分，参与构成细胞膜，也是合成维生素D、胆汁酸和多种激素（如雌激素、睾酮）的原料。2) 使用模式：在日常生活中，人们通常根据其对健康的影响将其分为“好胆固醇”（高密度脂蛋白，HDL）和“坏胆固醇”（低密度脂蛋白，LDL）。通常在提到“胆固醇高”时，多指血液中坏胆固醇水平超标。3) 常见语境：该词常出现在医学报告、营养建议、健康文章以及食品标签中。例如，医生可能会建议患者“控制胆固醇摄入量”，或者在体检报告中看到“胆固醇偏高”的指标。4) 近义词辨析：虽然没有完全意义上的同义词，但人们常将“血脂”与之关联。血脂是一个更广泛的概念，包含了胆固醇和甘油三酯。与胆固醇相比，血脂常用于描述整体的代谢状况，而胆固醇则侧重于具体的物质及其病理影响。
Examples
医生建议他减少胆固醇的摄入。
everydayThe doctor advised him to reduce his cholesterol intake.
血液检查显示他的胆固醇水平略高于正常范围。
formalBlood tests show his cholesterol level is slightly above the normal range.
这顿饭胆固醇太高了，咱们还是吃清淡点吧。
informalThis meal has too much cholesterol; let's eat something lighter.
高胆固醇血症是心血管疾病的主要风险因素之一。
academicHypercholesterolemia is one of the major risk factors for cardiovascular disease.
Common Collocations
Common Phrases
坏胆固醇
bad cholesterol (LDL)
好胆固醇
good cholesterol (HDL)
控制胆固醇
manage cholesterol
Often Confused With
Triglycerides are another type of fat in the blood. While cholesterol is used for cell building, triglycerides are mainly used for energy storage.
Grammar Patterns
How to Use It
Usage Notes
The term is used neutrally in scientific contexts but often carries a negative connotation in daily health advice. It is frequently paired with verbs like 'lower' (降低) or 'control' (控制). It is a formal biological term used by the general public.
Common Mistakes
People often confuse 'cholesterol' with 'fat' (脂肪) in general. While cholesterol is a type of lipid, not all fats are cholesterol. Learners sometimes misuse it as a countable noun, though it is usually treated as an uncountable mass noun in Chinese.
Tips
Focus on the balance
Remember that cholesterol itself isn't 'bad'. It is the imbalance of types in your blood that causes health issues.
Watch for hidden fats
Many processed foods contain trans fats which can raise your bad cholesterol levels significantly. Always check food labels.
Dietary habits vary
Different cultures have different approaches to managing cholesterol through traditional diets. Some emphasize plant-based ingredients to keep levels low.
Word Origin
The word is a loan translation from the Greek 'chole' (bile) and 'stereos' (solid), reflecting its initial discovery in gallstones. It was later adopted into Chinese as a chemical term.
Cultural Context
In modern Chinese society, with the improvement of living standards, high cholesterol has become a 'lifestyle disease' often discussed in media, emphasizing the importance of a balanced diet.
Memory Tip
Think of '胆' (gallbladder/courage) and '固醇' (sterol). It's the 'courage-sterol' that keeps your cells firm!
Frequently Asked Questions
4 questions不是。胆固醇过高会积聚在血管壁上，形成斑块，导致血管变窄，从而引发心脏病或中风。
胆固醇主要存在于动物性食品中，如蛋黄、动物内脏、肥肉和全脂乳制品。
可以通过健康饮食（多吃膳食纤维）、规律运动、戒烟以及在医生指导下服用降脂药物来控制。
好胆固醇（HDL）能帮助将胆固醇运回肝脏代谢掉，而坏胆固醇（LDL）则容易在血管壁沉积。
Test Yourself
为了保持健康，我们应该注意饮食，避免摄入过多的___。
在讨论健康风险和饮食控制时，胆固醇是常见的限制对象。
胆固醇主要存在于哪类食物中？
胆固醇主要来源于动物组织。
医生 / 建议 / 高 / 胆固醇 / 患者 / 饮食 / 控制
符合中文主谓宾结构逻辑。
Score: /3
Summary
Cholesterol is a vital substance for the body, but maintaining a healthy balance is crucial for cardiovascular well-being.
- A waxy substance found in the blood and cells.
- Essential for building healthy cells and hormones.
- High levels can lead to heart disease.
Focus on the balance
Remember that cholesterol itself isn't 'bad'. It is the imbalance of types in your blood that causes health issues.
Watch for hidden fats
Many processed foods contain trans fats which can raise your bad cholesterol levels significantly. Always check food labels.
Dietary habits vary
Different cultures have different approaches to managing cholesterol through traditional diets. Some emphasize plant-based ingredients to keep levels low.
Examples
4 of 4医生建议他减少胆固醇的摄入。
The doctor advised him to reduce his cholesterol intake.
血液检查显示他的胆固醇水平略高于正常范围。
Blood tests show his cholesterol level is slightly above the normal range.
这顿饭胆固醇太高了，咱们还是吃清淡点吧。
This meal has too much cholesterol; let's eat something lighter.
高胆固醇血症是心血管疾病的主要风险因素之一。
Hypercholesterolemia is one of the major risk factors for cardiovascular disease.
