2013年的一项关于大学生的研究发现，有80%的学生在课上使用手机或笔记本电脑，在一堂平常的课上，平均每个学生查看数码设备的次数高达11次。

One 2013 study of college students found that 80% of students use their phones or laptops during class, with the average student checking their digital device 11 times in a typical class.

youdao

纪实写作的例子包括书皮上或专辑封面上的笔记，以及篇幅较长的文章，比如一篇你可能在音乐鉴赏课上读到过的描述某种音乐风格的文章。

Examples of factual writing include notes on a book jacket, or album cover and longer pieces, such as an article describing a style of music, which you might read in a music appreciation course.

youdao

这灵感来源于在笔记本上的涂鸦乱画，就像你十几岁时在英文课上所作的那样。

It springs from the idea of a notebook full of doodles, like that of your typical teenager during English class.

youdao

You come to my lectures, take some notes, maybe you don't record everything I say.

你们来上我的课，做些笔记，可能你们不会记下所有我说的。

麻省理工公开课 - 固态化学导论课程节选

He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.

他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。

麻省理工公开课 - 媒体、教育、市场课程节选

we can run the engine backward and build a refrigerator, if you've got your lecture notes from last period your 8-9, well, they're labeled 8-9 lecture notes, I made an attempt to define something which was a little bit misguided.

现在我们可以把热机倒过来,制作一台制冷机，如果你们拿出上节课的笔记,也就是8-9节，好的，他们在8-9节，当时我试着,定义了一些,有些误导你们的物理量。

麻省理工公开课 - 热力学与动力学课程节选