Many keyboards have a built-in number pad.

许多键盘都有内置的数字键盘。

Number pads are useful for entering numbers in very quickly.

数字键盘对于快速输入数字非常有用。

In fact, some people are very fast when they use their number pads.

事实上，有些人在使用数字键盘时速度非常快。

The keyboard has a built-in number pad, and all you need to do is press the " num lock" key to use it.

键盘内置数字键盘，只需按下“num lock” 键即可使用。

This keyboard has a built-in number pad, and all you have to do is press the " num lock" key to use it.

这个键盘有一个内置的数字键盘，你所要做的就是按下“num lock” 键来使用它。

The " number pad" is a small, usually square or rectangular part of a keyboard that has just numbers as well as a few mathematical symbols.

“数字键盘” 是键盘上一个很小的部分，通常是正方形或长方形， 只有数字和一些数学符号。

Dave says, " all you need to do is press the 'num lock' key to use it." On some keyboards the number pad is separate from the rest of the keys.

Dave 说：“您需要做的就是按‘num lock’键来使用它。 ” 在某些键盘上， 数字键盘与其他键是分开的。