Krilium

例句：

1. 1. Potassium is essential for plant growth.
   钾对植物生长至关重要。
2. 2.The soil test showed a high potassium level in the soil.
   土壤测试显示土壤中的钾含量很高。
3. 3. Potassium chloride is used as a preservative in food products.
   氯化钾被用作食品产品的防腐剂。