Cách sử dụng
Naphthalene is a chemical compound that is commonly used as an insect repellent and mothball. It is also used in the manufacture of dyes, plastics, and synthetic resins. It has a strong odor and can be harmful if ingested or inhaled in large amounts. So, if you are learning English, you might hear the word 'naphthalene' in the context of household products or in chemistry lessons. It is important to understand its uses and potential hazards before using it.