必须是手工操作，而不是在键盘上打字。

It has to be done by hand, not typing on a keyboard.

youdao

但必须是手工操作，而不是在键盘上打字。

But it has to be done by hand, not typing on a keyboard.

youdao

通过按下 Cyclops 键盘上适当的按钮，盲人可以“阅读”任何英文打印文件。

By pressing the appropriate buttons on Cyclops's keyboard, a blind person can "read" any printed document in the English language.

youdao

C So here I'm declaring a variable called c, and I'm pretty much translating the formula from the slide using the characters on my keyboard to a floating point value.

这里我声明了一个变量，然后我把那个幻灯片上的公式,用键盘上的字符翻译成了,浮点数值。

哈佛公开课 - 计算机科学课程节选

So in a moment you're going to go ahead and hit the spacebar and then as things fall from the screen when they line up with the left arrow, hit the left arrow with a different arrow, hit that arrow and see how good a score you can get.

一会儿你走到前面，敲一下空格键,当屏幕上面的东西从左边往下掉的时候,你就敲一下键盘上的左键,是哪个方向，敲对应的方向键就可以了,我们来看看你能得多少分。

哈佛公开课 - 计算机科学课程节选

Let's say I had to remember to play something at the keyboard.

如果说我必须得记住在键盘上弹了什么

耶鲁公开课 - 聆听音乐课程节选