alcohol purification

例句：

1. 1. The process of alcoholic purification involves the removal of impurities from alcohol to make it purer.
   酒精净化过程涉及从酒精中去除杂质，使其更纯净。
2. 2. The alcoholic purification method is a crucial step in the production of high-quality spirits.
   酒精净化方法是生产高质量烈酒的关键步骤。
3. 3.During alcoholic purification, the temperature and pressure are carefully controlled to prevent any contamination.
   在酒精净化过程中，温度和压力需要严格控制，以防止任何污染。