If, for example, a user's last operation was to type in the word design, the Undo function on the menu says Undo Typing design.

例如，如果用户的最近一次操作是输入单词“设计”，菜单中的撤销功能提示撤销对单词“设计”的输入。

Users initiate an undo by shaking the device, which displays an alert that allows users to undo what they just typed, redo previously undone typing, or cancel the undo.

用户摇晃设备启动撤销，接着设备将显示警告，允许用户撤销他们刚刚输入的内容，重做之前撤销的内容，或取消撤销。