Cách sử dụng
The word 'extensive' is used to describe something that is very large in size or amount. It can also refer to something that covers a lot of ground or is very widespread. For example, if you are talking about a book that covers a lot of topics, you can say that it is an extensive book. Alternatively, if you are talking about a person's knowledge on a particular subject, you can say that they have extensive knowledge. In general, the word 'extensive' is used to indicate that something is very thorough or comprehensive.