Scratch So, we looked last week at Scratch, very briefly, but hopefully you found if you've dived in already that the interface is fairly intuitive and it really just allows you to implement ideas that you conjure up in your mind.

我们上周非常简略地提到了，不过我希望你们热切的投入了进去了,那个界面是相当直观的,相信我，这真的可以让你实现你,大脑中的构想。

哈佛公开课 - 计算机科学课程节选

Okay. Obviously, this is the bar of syncopation-- we did this in section last week-- but you can see this note is the syncopated note.

显然,这个小节里包含了切分节奏,上周的课我们提到过,我们看到这个音符是切分音符

耶鲁公开课 - 聆听音乐课程节选

But because we're now programming a computer at a lower level and because as we said last week, you really have to be precise and then careful to instruct this machine, this fairly dumb machine that will only do what you tell it to do very specific instructions, do we have to use a more precise syntax than just a puzzle piece might have previously allowed.

但是我们是要在电脑的低平台上编程不是吗？,那我们就要像我上周提到过的那样，一定要小心，小心，再小心地,操纵这台又聋又哑的机器,它只会根据你敲进去的,特定指令来做事，所以我们必须使用非常精细的语法,而不是模模糊糊，让人费解的概念。

哈佛公开课 - 计算机科学课程节选

We talked about this a little bit in section last week, when you eat vegetables or meat, you're eating a lot of DNA but that doesn't enter the cells of your body because of the barrier properties of cell membranes.

这个我们上周讨论会讲过一些,我们在吃蔬菜或者肉类时,摄入了大量DNA,它们之所以不会进入你的体细胞,就是由于细胞膜的这种屏障作用

耶鲁公开课 - 生物医学工程探索课程节选

So we talked about Mr. Bool briefly last week in this idea of true or false, but in C, you don't have a Boolean data type.

我们上周简短地谈论过Bool先生的,真假的逻辑思想，但是在C语言里，没有布尔数据类型。

哈佛公开课 - 计算机科学课程节选