alum 是一个英语单词，意思是铝土矿、明矾、铝化合物。发音为 ['?lum] 。
关于alum的英语范文和用法，可以参考以下句子：
"Alum is a type of chemical compound used in various industrial processes. It is commonly found in bauxite ore and is used to produce aluminum."
"Alum is also used in various household products such as cleaning agents and paints, where it acts as a stabilizer and anti-corrosive agent."
需要注意的是，以上句子仅为示例，具体用法可能因语境而异。同时，在英语中积累词汇和短语对于提高写作和口语表达能力非常重要。
alum基础释义
alum是一种常见的化学物质，化学式为Al2(SO4)3·18H2O，通常为白色固体，具有吸附和凝结悬浮杂质的能力，常用于水处理行业中作为水质改善剂使用。
alum发音
发音为[??lum]。
英语范文
Alum is a common chemical substance, which can be used as a water treatment agent to improve water quality. When added to water, alum can adsorb and aggregate suspended impurities, making the water clearer and more pure. Therefore, I always pay attention to adding alum to my drinking water to ensure its safety and quality.
Besides, alum is also widely used in various industries, such as food processing and textile manufacturing. It can be added to food products and fabrics to improve their texture and appearance, making them look more appealing. In addition, alum can also be used in pharmaceuticals and cosmetics industries to enhance the stability and shelf life of products.
In conclusion, alum plays an important role in various industries and daily life. It is essential to ensure the safety and quality of our environment and living conditions.
alum 释义：
铝矾土；氧化铝
例句：
1. The aluminium is used in the manufacture of a wide range of products.
铝被广泛用于制造各种产品。
2. The aluminium oxide is used in the manufacture of ceramic tiles.
氧化铝被用于制造瓷砖。
参考范文：
Today, we are going to talk about the chemical element alum. It is a white, metallic oxide that is used in a wide range of products, from cookware to building materials. It is also used in the production of ceramics tiles, which are a popular choice for many households. Alum is a versatile substance that plays an important role in our daily lives.
以上就是关于铝矾土（alum）的介绍，以及它在日常生活中的广泛应用。希望这篇文章能对你有所帮助。
