glycols的音標為[?ɡla???dz]，基本翻譯為“甘油醇”，速記技巧為“g小圓圈l，y小圓圈o，d發字母音”。

Glycols是一類有機化合物，通常由羥基和碳鏈組成的醇類。以下是它們的英文詞源、變化形式和相關單詞：

1. 詞源：Glycols的英文詞源可以追溯到希臘語中的“glykos”（甜）和“olos”（液體）。這兩個詞組合在一起，表示具有甜味的液體。

2. 變化形式：Glycols可以通過添加后綴“-ol”變為相應的醇類，如乙醇（ethanol）、丙醇（propanol）等。

3. 相關單詞：

a. 乙醇（ethanol）：乙醇是最常見的醇類之一，也稱為酒精。它是一種常見的有機溶劑和飲料成分。乙醇具有麻醉和消毒作用，也是許多化學反應的常用試劑。

b. 丙醇（propanol）：丙醇是一種無色液體，具有輕微的甜味和酒精味。它是一種常用的有機溶劑和化學試劑，也用于生產聚合物和藥物等。

除了乙醇和丙醇之外，還有許多其他與glycols相關的單詞，如丁醇（butanol）、戊醇（pentanol）、己醇（hexanol）等。這些單詞在化學、制藥、燃料等領域都有廣泛的應用。

總之，glycols是一類重要的有機化合物，具有廣泛的應用和重要的化學性質。它們在醫藥、燃料、化妝品等領域都有重要的應用，并且它們的性質和用途仍在不斷發展和完善中。

常用短語：

1. glycol ether

2. two-component glycol

3. mono-functional glycol

4. polyfunctional glycol

5. polyoxyethylene glycol

6. poly(ethylene glycol)

7. tri-functional glycol

8. di-functional glycol

雙語例句：

1. Mixing two-component glycol can improve the strength and stability of the product. (混合雙組份二甘醇可以提高產品的強度和穩定性。)

2. Polyoxyethylene glycol is commonly used in cosmetics and personal care products. (聚氧乙烯二醇在化妝品和個人護理產品中常用。)

3. Tri-functional glycols are commonly used in lubricants and fuels. (三甘醇在潤滑油和燃料中常用。)

4. Di-functional glycols are used in water treatment systems to improve water solubility and stability. (二甘醇用于水處理系統以提高水溶性和穩定性。)

5. Glycol ether is a popular choice for fuel additives due to its high octane rating and low volatility. (乙醇醚由于其高辛烷值和低揮發性，是燃料添加劑的熱門選擇。)

6. Mono-functional and polyfunctional glycols are used in adhesives and sealants to improve viscosity and bonding properties. (單功能和多功能甘油用于粘合劑和密封劑中以改善粘度和粘合性能。)

7. Glycols are also used in the production of polymers, especially in the production of polyurethanes and polyesters. (甘油還用于聚合物生產，特別是在聚氨酯和聚酯的生產中。)

英文小作文：

Glycols are a type of chemical compound that are widely used in various industries. They are commonly found in fuels, lubricants, adhesives, sealants, cosmetics, personal care products, and water treatment systems.

Glycols have a wide range of properties that make them suitable for various applications. They are highly soluble in water and other solvents, making them useful in water treatment systems. They also have good thermal and chemical stability, making them suitable for use in various industrial processes.

Glycols are also used in the production of polymers, especially in the production of polyurethanes and polyesters. These polymers are used in various applications such as automobiles, construction, and packaging materials.

In addition to their industrial uses, glycols are also used in personal care products such as moisturizers and cleansers because they provide a moisturizing effect to the skin and help maintain its health and beauty.

Overall, glycols play an important role in various industries and personal care products, providing benefits in terms of performance, stability, and safety.