alum

"alum"的音标为/əˈluːm/，基本翻译为“铝；铝质；铝制”，速记技巧为：al金属元素，u像“圆柱体”，m像“许多”。

"Alum"这个词的英文词源可以追溯到拉丁语词"alumen"，意为“明矾”。它的变化形式包括"aluminium"（铝）和"alumine"（明矾）。

相关单词：

"Aluminum"：这个词是由"aluminium"演变而来，是金属元素的一种，常见于日常生活中的铝制品。它是一种轻而坚硬的白色金属，具有良好的延展性和导电性。

"Alumina"，氧化铝：这是由"aluminium"经过氧化反应形成的化合物，是一种无定形的白色粉末，广泛用于陶瓷、玻璃、涂料等工业领域。

"Aluminium oxide"，氧化铝粉末：这是由"alumina"进一步加工形成的粉末状物质，具有高绝缘性、高熔点和高沸点等特点，在化学、材料、电子等领域有广泛应用。

"Aluminate"，铝酸盐：这是一种由铝和氧组成的化合物，在陶瓷、玻璃、水泥等工业领域有广泛应用。

"Aluminium sulfate"，硫酸铝：这是一种白色或灰白色的结晶性粉末，具有水解性，常用于水处理和工业废水处理。

"Alum"，明矾：这是一种常用的食品添加剂，用于改善食品的口感和稳定性。它也是一种常用的净水剂，可以吸附水中的杂质和异味。

"Aluminium chloride"，氯化铝：这是一种无色透明的液体，具有高沸点和高的蒸汽压，常用于有机合成和无机化学反应。

"Aluminium silicate"，硅酸铝：这是一种常用的耐火材料，具有优良的隔热、耐高温和抗热震等特性。

"Aluminous"，含铝的：这个词用来形容含有铝元素的物质或材料。

总的来说，"alum"这个词及其变化形式在英语中有着广泛的应用，涉及到金属元素、氧化物、盐类、化合物以及相关的工业和食品领域。

常用短语：

1. Aluminum alloy

2. Aluminum foil

3. Aluminum oxide

4. Aluminum rod

5. Aluminum veneer

6. Anode aluminum

7. Aluminum-plated steel pipe

双语例句：

1. The building is clad in aluminum alloy.

这座建筑的外墙使用了铝合金。

2. The aluminum foil is used for cooking.

铝箔被用来烹饪食物。

3. The anode aluminum is used for electrolysis.

阳极铝被用于电解。

4. The aluminum veneer is applied to the furniture for decoration.

家具上贴了装饰用的铝饰面板。

5. The aluminum-plated steel pipe is used for water supply and drainage.

镀铝钢管被用于供水和排水。

6. The aluminum oxide is used in the production of aluminum and other alloys.

氧化铝被用于生产铝和其他铝合金。

7. The aluminum rod is used for casting and extrusion.

铝棒被用于铸造和挤压。

英文小作文：

Aluminum is a versatile metal that has found many applications in our daily lives. From building materials to food packaging, aluminum has become an essential part of our lives.

Aluminum alloys are commonly used in automobiles and aircraft manufacturing, while aluminum foil is used for cooking and food storage. Aluminum oxide is used in the production of ceramic tiles and other materials, while aluminum-plated steel pipes are commonly found in water supply and drainage systems.

In addition to its use in industrial applications, aluminum has also found its way into artistic creations such as sculptures and jewelry. Its malleable and ductile nature allows for a wide range of design possibilities, making it a popular choice for artists and designers.

Aluminum has also played a crucial role in the development of modern technology, particularly in the field of electronics and communications. Aluminum conductors are commonly used in high-speed data transmission and mobile phone networks, while aluminum oxide semiconductors have found use in various electronic devices.

In conclusion, aluminum is a versatile metal that has found numerous applications in our daily lives, from industrial production to artistic creations, and technological advancements. Its unique properties and versatility have made it an essential part of modern society.