Cách sử dụng
The word 'virulent' is used to describe something that is very harmful or poisonous to living things. For example, a virulent virus can cause severe illness and even death. This word is often used to describe diseases or infections that are highly contagious and can spread easily to other people or animals. It can also be used to describe someone's attitude or language that is very aggressive or spiteful, and can cause harm to others.