tripotassium

例句：

1. 1. Potassium is an essential mineral for plant growth.
   钾是植物生长所必需的矿物质。
2. 2. The doctor prescribed a potassium supplement to help the patient recover.
   医生开了一种钾补充剂，帮助病人恢复健康。
3. 3. Potassium chloride is commonly used as a preservative in food products.
   氯化钾常用于食品产品中作为防腐剂。