spurium

例句：

1. 1. The soil is rich in nutrients, which makes it suitable for growing crops.
   土壤富含养分，适合种植作物。
2. 2. The chemical reaction between the metal and the acid produces a new compound called 'spurium'.
   金属与酸之间的化学反应产生了一种名为‘硫酸盐’的新化合物。
3. 3. The purity of the water depends on the quality of the 'spurium' used to treat it.
   水的纯度取决于用于处理它的‘硫酸盐’的质量。