hdl

hdl的音标为/"hɪdl/，基本翻译为“高密度脂蛋白”或“高电导率”，速记技巧可以考虑使用谐音法，例如“喝多了”或“很快乐”，这样可以帮助您快速记住这个单词的发音。

HDL英文词源：

HDL 指的是高密度脂蛋白（High-density lipoprotein），这个词源于拉丁语“high”（高）和“density”（密度）的组合，用来描述一种在人体内具有高密度和良好胆固醇运输能力的脂蛋白。

变化形式：

HDL 可以缩写为 HDL 或 HDL-cholesterol，其中 HDL-cholesterol 是指高密度脂蛋白胆固醇，这是一种重要的血脂指标，有助于预防心血管疾病。

相关单词：

1. Low-density lipoprotein（低密度脂蛋白）：低密度脂蛋白是一种低密度、不良胆固醇运输能力的脂蛋白，与心血管疾病的风险增加有关。

2. Cholesterol：胆固醇是一种重要的脂质物质，是许多生物过程的关键组成部分，包括细胞膜的合成和激素的生产。

3. Lipoprotein：脂蛋白是一种由脂肪、蛋白质和碳水化合物组成的复合物，负责在血液中运输脂肪和胆固醇。

4. Triglyceride：三酰甘油酯是脂肪的一种形式，是血脂的主要组成部分，有助于能量的储存和身体的代谢。

5. Apolipoprotein：载脂蛋白是一种蛋白质，与脂蛋白结合在一起，负责在血液中运输胆固醇和其他脂质物质。

6. Fatty acid：脂肪酸是一类有机化合物，是脂肪的主要组成部分，有助于能量的储存和身体的代谢。

7. Saturated fat：饱和脂肪是一种脂肪酸，具有较高的碳链稳定性，与心血管疾病的风险增加有关。

8. Unsaturated fat：不饱和脂肪包括单不饱和脂肪和多不饱和脂肪，具有碳链不饱和的结构，有助于降低心血管疾病的风险。

9. Metabolism：新陈代谢是生物体维持生命所必需的过程，包括能量产生、物质合成和分解等。

10. Body composition：身体组成是指人体内各种组织的相对比例，包括脂肪组织、肌肉组织、骨骼组织等。

常用短语：

1. high-definition television (HDTV)

2. high-speed data communication

3. high-performance computing

4. high-level language

5. high-tech industry

6. high-yield agriculture

7. high-speed rail

例句：

1. The new HDTV set provides excellent picture quality.

2. High-speed data communication allows us to access the internet instantly.

3. High-performance computing is essential for scientific research.

4. The programmer is using a high-level language to write the code.

5. The high-tech industry has become a major driver of economic growth.

6. High-yield agriculture is the key to sustainable development.

7. The high-speed rail line will greatly improve travel time between cities.

英文小作文：

High-tech Revolution: The Future of Our Society

In recent years, the development of high-tech industries has revolutionized our society. From high-definition televisions to high-speed data communication, from high-performance computing to high-yield agriculture, the impact of these technologies is felt in every aspect of our lives.

High-tech industries have opened up new possibilities for communication, information sharing, and scientific research. They have also transformed the way we produce and consume goods, leading to increased efficiency and productivity. Furthermore, they have created new job opportunities and stimulated economic growth.

However, the development of high-tech industries has not come without its challenges. There is a need for greater investment in research and development, as well as a need for skilled workers in the field of technology and its application. At the same time, there is also a need to ensure that these technologies are used in a sustainable and environmentally responsible manner.

Overall, the high-tech revolution is changing the face of our society and will continue to do so in the future. It is essential that we embrace this change and use it to our advantage, while also ensuring that we take care of our environment and maintain social justice.