English to Chinese Tech/Engineering IT (Information Technology) laptops

The 15-inch, 1920-by-1080-pixel touchscreen display is vibrant and responsive. The system lacks a numeric keypad, but the keys that are present are backlit and nicely spaced. Although they would benefit from a bit of {sculpting} to provide better tactile feedback, the keys travel just the right distance for comfort and accuracy. While this machine measures just 0.83 inch thick, at 4.6 pounds this model is twice as heavy as the Sony VAIO Pro 13.

sculpting与键盘按键有啥关系？