Cách sử dụng
The word 'deleterious' means something that is harmful or damaging to something or someone. For example, smoking is deleterious to health as it can cause various diseases like lung cancer. It is not a commonly used word in everyday conversation, but it is often used in academic or scientific writing to describe negative effects. So, someone may use the word 'deleterious' to describe something bad that has a harmful impact on a person, animal or object.