Cách sử dụng
The word 'undetected' means that something has not been found, discovered, or noticed. It is often used to describe things that are hidden or not easily seen, such as a hidden camera or a virus in a computer system. For example, if you have a virus on your computer that you do not know about, it is said to be 'undetected'. The word can also be used to describe things that are not found by a person or a machine, such as a disease that goes undetected until it becomes severe. Overall, 'undetected' means that something has gone unnoticed or unrecognized.