Pressing the mouse button, drag a range across two cells, do not release the mouse button, and then drag back to the first cell. You can now move the individual cell by drag-and-drop.
按住鼠标左键，拖动一段区域，使其跨越两个单元格。此时，不要释放鼠标左键，再拖回到原来的单元格。此后，就可以通过拖放方式移动单个单元格。