alkalis

alkali的音标是[ə"laɪsɪ]，基本翻译是“碱；苛性物；碱土”。

速记技巧：将字母“k”替换为字母“g”（因为音标系统中通常使用“g”代替“k”）并注意单词的发音。

Alkali这个词源于阿拉伯语，意为“碱”。它的变化形式包括alkaline（碱性的）和alkali（氢氧化物）。

相关单词：

soda（苏打）：这个词源于英语，意为“苏打水”，而它也是alkali的一种变化形式，因为苏打水是由碳酸钠或碳酸钾制成的。

caustic（腐蚀性的）：这个词源于拉丁语，意为“烧伤”，它通常用来描述那些能够引起强烈化学反应的物质，而这种反应通常会产生热量和腐蚀性产物。

alkalinity（碱度）：这是一个化学术语，用来描述水溶液中碱性物质的浓度。

alkaline earth metal（碱土金属）：这类金属包括钙、锶和钡，它们在化学反应中表现出强烈的碱性。

以上这些单词都与alkali这个词有着密切的联系，它们在化学、生物学和环境科学等领域都有广泛的应用。

常用短语：

1. alkaline soil

2. alkaline water

3. alkaline solution

4. alkaline earth metal

5. alkaline phosphatase

6. alkaline buffer

7. alkaline phosphatase activity

双语例句：

1. The soil is alkaline and needs to be neutralized before planting.

2. The water in this area is alkaline and should be diluted before drinking.

3. The solution contains an alkaline substance that can damage the eyes if it comes into contact with them.

4. Alkalinity is a characteristic of alkaline earth metals such as calcium and magnesium.

5. Alkaline phosphatase is an enzyme that plays a crucial role in cell metabolism.

6. The buffering capacity of the solution is alkaline, ensuring stability in the presence of acids or bases.

7. The presence of alkaline phosphatase activity indicates that cells are healthy and dividing normally.

英文小作文：

Alkaline is a crucial element in maintaining the balance of our body and environment. It is found in various forms, such as in soil, water, and food, and plays a vital role in maintaining pH balance and cellular health. Alkaline soil helps to prevent soil erosion and promotes plant growth, while alkaline water is beneficial for maintaining good health and preventing diseases such as acidity-related disorders. In addition, alkaline foods are rich in minerals such as calcium, magnesium, and potassium, which are essential for maintaining good health and preventing diseases such as cardiovascular disease and diabetes. Therefore, it is essential to maintain an alkaline diet to maintain good health and well-being.