提纯

例句：

1. 1. The scientists have successfully purified the rare metal.
   科学家们已经成功地提纯了这种稀有金属。
2. 2. The process of purifying water is essential for drinking and cooking.
   净化水的过程对于饮用水和烹饪来说至关重要。
3. 3. The company aims to purify its products to meet strict environmental standards.
   该公司致力于将其产品提纯，以满足严格的环保标准。