arachidonic acid的音標為["?r?kk?"n??k] ，基本翻譯為“花生四烯酸”，速記技巧為“are-key-no-ick”。

Arachidonic acid的英文詞源：

Arachidonic acid一詞來源于希臘語單詞αρ?χνη (arχνι), 意為“堅果”，而ω (ω) 是表示最后一個字母后跟有元音字母的詞尾，-ωρων (ωρ?ν) 是“油”的意思。因此，該詞整體的含義為“堅果油”。

變化形式：

1. 形容詞形式：arachnodonic

2. 動詞形式：arachnodynate

相關單詞：

1. Arachnida：蛛形綱，屬于動物界節肢動物門。

2. Arachnoid mater：蛛網膜下腔，是腦組織的一部分。

3. Arachnophobia：對蜘蛛的恐懼癥。

4. Atherosclerosis：動脈粥樣硬化，是一種血管疾病，與脂肪在血管壁的沉積有關。

5. Eicosanoid：二十碳化合物衍生物，是生物體內重要的調節分子。

6. Oligomer：寡聚物，由幾個單體組成的聚合物。

7. Polyunsaturated fatty acid：多不飽和脂肪酸，是人體必需的脂肪酸之一。

8. Prostaglandin：前列腺素，是一種具有生物活性的脂質物質，參與多種生理和病理過程。

9. Retinoid：維生素A的衍生物，在生物體內具有多種功能。

10. Tocopherol：維生素E的一種，是一種抗氧化劑，對細胞膜的穩定性有重要作用。

常用短語：

1. arachidonic acid (ARA) rich diet

2. arachidonic acid metabolism

3. arachidonic acid pathway

4. arachidonic acid supplement

5. arachidonic acid intake

6. arachidonic acid levels

7. arachidonic acid production

例句：

1. The diet of our body is rich in arachidonic acid, which plays a crucial role in maintaining health.

2. Arachidonic acid metabolism is closely related to the development of cardiovascular disease.

3. The intake of arachidonic acid is essential for the growth and development of our body.

4. Arachidonic acid levels are closely related to the risk of stroke and heart attack.

5. The production of arachidonic acid plays a vital role in the immune system.

6. Arachidonic acid is an essential nutrient for athletes, as it helps to enhance endurance and performance.

7. The use of arachidonic acid supplements has been shown to improve cognitive function in elderly individuals.

英文小作文：

Arachidonic Acid: The Rise and Fall of a Nutrient

Arachidonic acid, a crucial nutrient found in our diet, has been the subject of much debate in recent years. Once considered a waste product of metabolism, it is now becoming increasingly clear that arachidonic acid plays a significant role in maintaining health and well-being.

On the one hand, arachidonic acid is essential for growth and development, as well as for the immune system and cognitive function. Athletes in particular have recognized its benefits, as it helps to enhance endurance and performance. On the other hand, high levels of arachidonic acid have been linked to the development of cardiovascular disease and stroke, making it a double-edged sword in our nutritional world.

The key to balancing arachidonic acid’s benefits and risks lies in our dietary choices. By incorporating a balanced diet that is rich in omega-6 fatty acids, we can ensure that our bodies receive the necessary amounts of this essential nutrient while minimizing its harmful effects. Ultimately, understanding the role of arachidonic acid in our bodies will help us to make informed decisions about our nutritional habits, ensuring that we live healthier lives.