Cách sử dụng
A nanosecond is a very small unit of time. It is used to describe something that happens extremely quickly or for a very short amount of time. For example, you might say "I made a decision in a nanosecond" to mean that you made a quick decision without thinking about it for very long. It is also used in scientific fields to measure very fast movements or reactions in small particles. Overall, nanosecond is a word used to describe very small time intervals.