Cách sử dụng
The word "purity" means the quality of being pure, clean or uncontaminated. It can be used in different contexts such as describing water that is free from pollutants, a person's moral or ethical state of being without fault, or a substance that is free from impurities. It can also be used to describe materials or products that are free from additives or chemicals. In general, the word "purity" is used to describe something that is in its natural, unadulterated state.