在一个小小的电话键盘上打字对任何人来说都不是件有趣的活。因此，安卓能提供如此多的让人们能方便使用，又易于安装的键盘程序是我们的一大幸事。

Typing on a tiny phone keyboard isn't anyone's idea of fun, so it's great that Android provides so many options to make it as painless for people as possible, and super easy to install.

youdao

键盘设备跟踪程序(例如uberkey)是另外一种好方法，但是其释放击键和计时的不精确性使其不适合本文介绍的应用。

Keyboard device-tracking programs, such as uberkey, are an appealing alternative, but their propensity for dropping keystrokes and timing imprecision makes them unsuitable for this application.

youdao

最底层是屏幕和输入设备驱动程序(关于键盘或鼠标)来与实际硬件交互。

At the lowest level are the screen and input device drivers (as for the keyboard or mouse) to interact with the actual hardware.

youdao

Now get int *y so now I'll use the board for things I can't really draw very well with the keyboard so what does the memory of my program look like at the moment?

现在，=，int，*y，现在我使用黑板,我用键盘画的不是很好,那么此刻，我程序中的内存看起来像什么？

哈佛公开课 - 计算机科学课程节选