Cách sử dụng
A stronghold is a safe and secure place that can be used to protect people or things. It is often used to refer to a place that is difficult to attack or conquer. For example, in medieval times, a castle would be a stronghold that provided protection for the people who lived there. In modern times, a military base could be considered a stronghold as it is designed to provide a secure location for soldiers and equipment. The word 'stronghold' can also be used metaphorically to describe a place or position that is highly protected or resistant to change.