trackpad [t'rækpæd]

例句:

• For starters, it uses a trackpad for scrolling the screen.
  为方便新手, 设置了一个触摸板来滚动屏幕.
  
• The trackpad and buttons are nicely responsive and are cleverly integrated into the overall design.
  来自THETIMES
• Tapping a rhythm on a trackpad robs it of all sense of movement or muscle memory.
  来自NEWYORKER
• For starters, it looks just like the newly redesigned dm1, flush trackpad and all.
  来自ENGADGET