You can select adjacent cells, then merge them into a single cell. Conversely, you can take a large cell that has been created by merging single cells, and divide it back into individual cells.
可以选择相邻的单元格，然后将这些单元格合并为一个单元格。相反，也可以选择一个通过合并单个单元格而生成的大单元格，然后重新将其拆分为单个的单元格。