Cách sử dụng
The word "sentry" is used to describe a person who stands guard, watches over something or someone, and ensures that everything is safe and secure. This word is commonly used in situations where security is important, such as military bases, prisons, or museums. For example, a soldier may serve as a sentry at the front gate of a military installation or a security guard may be a sentry at a museum to protect valuable artwork. It is important to note that the word "sentry" is not used in everyday conversations, but is reserved for specific situations where vigilant surveillance and protection are required.