erbum hydroxide

例句：

1. 1. The chemical reaction between the two substances produces a solution of erbum hydroxide.
   这两种物质之间的化学反应产生了氢氧化钡的溶液。
2. 2. The erbum hydroxide reacts with water to form a white precipitate.
   氢氧化钡与水反应生成白色沉淀。
3. 3.In this experiment, we will observe the formation of erbum hydroxide by adding a small amount of erbum powder to a beaker of water.
   在这个实验中，我们将通过向一个烧杯中加入少量氢氧化钡粉末来观察氢氧化钡的形成。