cation的音標為[?k?ti?un]，基本翻譯是“陽離子”的意思。速記技巧可以是將該單詞的發音拆分為“cation”，其中“cation”是詞根，可以理解為“陽離子”的意思，同時需要注意字母的大小寫和拼寫方式。

Cation這個詞來源于拉丁語詞根"cationem"，意思是"小陽人"或"小質子"。它的變化形式包括復數形式"cations"，過去式"cated"和過去分詞"cated"。

相關單詞：

1. "Protein"：這個詞來源于拉丁語"proteinus"，意思是"持家的"或"保持的"，與cation有著相似的詞源，都與物質保持有關。

2. "Alkali"：這個詞來源于阿拉伯語，意為"堿性的"，與cation的化學性質有關。

3. "Chloride"：這個詞來源于希臘語，意為"氯化物"，與cation的化學性質有關，是金屬與氯元素形成的化合物。

4. "Ammonium"：這個詞來源于銨，與cation有著相似的化學性質，是銨離子的一種常見形式。

5. "Cationic"：這個詞意為帶正電荷的，與cation的化學性質有關。

6. "Cationization"：這個詞意為帶正電荷的過程，與cation的化學性質有關。

7. "Cationic surfactant"：這個詞意為帶正電荷的表面活性劑，是一種常見的化學物質。

8. "Cationic polymer"：這個詞意為帶正電荷的聚合物，是一種常見的材料科學術語。

9. "Cationic exchange"：這個詞意為帶正電荷的交換過程，在生物化學和環境科學中常見。

10. "Cationic surfactant agent"：這個詞意為帶正電荷的表面活性劑劑，在化妝品和洗滌劑中常見。

以上單詞都與cation的詞源和化學性質相關，并描述了其在不同領域中的應用。

常用短語：

1. cation exchange

2. cationic surfactant

3. cationic polymer

4. cationic dyes

5. cationic detergent

6. cationic iron

7. cationic amino acid

例句：

1. The cationic surfactant can effectively dissolve the oil and grease on the surface of the skin.

2. The cationic polymer can effectively improve the water-solubility and stability of the drug substance.

3. Cationic dyes are widely used in the textile industry to improve the brightness and color fastness of the fabric.

4. Cationic surfactants are commonly used in detergent products to improve cleaning performance and foam stability.

5. Cationic iron is an important raw material for the production of iron oxide pigments.

6. Cationic amino acid can effectively enhance the moisturizing effect of cosmetics.

英文小作文：

Cationic Materials in Modern Life

Cationic materials are widely used in modern life, from detergent products to cosmetics, textiles, and more. Cationic surfactants are commonly found in detergent products, which can effectively dissolve oil and grease and improve cleaning performance and foam stability. Cationic polymers are used in drug substances to improve water-solubility and stability, while cationic dyes are used in the textile industry to improve the brightness and color fastness of the fabric. Cationic iron is an important raw material for the production of iron oxide pigments, while cationic amino acid can effectively enhance the moisturizing effect of cosmetics. These materials play an important role in improving various properties of products and ensuring safety and effectiveness in modern life.