Cách sử dụng
The word 'unroll' means to open or unfold something that is rolled up. For example, you could unroll a rug or a poster that has been rolled up for storage. It is also commonly used when referring to items that come in rolls, such as toilet paper, where it means to unwind the paper from the roll. So, if you need to open or unfold something that is rolled up, you can use the word 'unroll'.