Cách sử dụng
The word 'trace' can be used in different ways, but it generally means to follow the path or progress of something, or to find evidence of something that is difficult to see or find. For example, you can trace your family history by looking at old records and documents. Or you might trace a line on a piece of paper by following the pencil or pen with your eyes. In science or medicine, you might use a special tool called a tracer to find out where something goes in the body, like a dye that can be seen on an X-ray. Overall, the word 'trace' is used to describe the act of tracking or finding evidence of something, often in a detailed or careful way.