Adds the previous sheet to the current selection of sheets. If all the sheets in a spreadsheet are selected, this shortcut key combination only selects the previous sheet. Makes the previous sheet the current sheet.
将上一个工作表添加到当前选择的工作表。如果选择了电子表格中的所有工作表，此组合快捷键只会选择上一个工作表。使上一个工作表成为当前工作表。