Cách sử dụng
The word 'reflex' is used to describe an automatic or involuntary response that a person has to a stimulus, such as when your eyes blink when something is thrown at your face. It can also refer to a quick and automatic decision or action that a person takes without thinking, such as slamming on the brakes when you see a red light. The word can be used in various contexts, including biology, psychology, and sports.