platinum potassium chloride

例句：

1. 1.The jewelry is made of platinum and diamonds.
   这个珠宝是用白金和钻石制成的。
2. 2. Platinum is a rare and valuable metal.
   铂金是一种稀有且珍贵的金属。
3. 3. The platinum ring symbolizes eternal love.
   铂金戒指象征着永恒的爱情。
4. 1. Potassium is an essential mineral for plant growth.
   钾是植物生长所必需的矿物质。
5. 2. Potassium chloride is used as a preservative in food.
   氯化钾用作食品的防腐剂。
6. 3. Potassium salts are commonly found in table salt.
   钾盐通常存在于食盐中。