Cách sử dụng
Fortress is a word used to describe a very strong and protected structure or building. It is often used to describe historical buildings and castles that have strong walls and were built to protect their inhabitants from danger. You might also hear it used in a metaphorical sense, such as when someone describes their home as a fortress because they feel safe and secure there. In general, the word 'fortress' is used to indicate that something is strong and well-protected.