backspace ['bækspeɪs]

例句:

• The Backspace key is really an Undo function, albeit a special one.
  退格键实际上是一个撤销功能, 虽然它非常特殊.
  
• Experience tells us that Backspace does nothing of the sort.
  不过经验告诉我们,退格键不会那样.
  
• Press Backspace twice to remove the tab and the space.
  按两次Backspace删除制表符和空格.
  
• He almost never uses the backspace, delete, or cut-and-paste keys.
  来自NEWYORKER
• Macs don't have Backspace keys.
  来自ENGADGET
• The list narrows as you enter more text and expands as you backspace.
  来自CNN