purification can

例句：

1. 1. The process of purification is crucial for maintaining the quality ofwater.
   净化过程对于保持水质至关重要。
2. 2. Thehospital conducted a thorough purification of thepatient's blood to remove any harmfulbacteria.
   医院对病人的血液进行了彻底的净化，以去除任何有害细菌。
3. 3. Thepurification process involves removing impuritiesfrom the water before it is used incooking or drinking.
   净化过程涉及在烹饪或饮用之前从水中去除杂质。