You have a block here and then you have something above there floating in mid air.

你在这里放一个木块,让某物漂浮在木块之上

耶鲁公开课 - 心理学导论课程节选

That means, if you are going in a plane and you throw something up in the air, it seems to be going up and down to you.

也就是说,如果你在飞机中,你向空中扔出一物体,它也许会相对于你上下运动

耶鲁公开课 - 基础物理课程节选

This weird temporal disjunction is an important part of the poem, and it not only gives the poem its peculiar air of something like a conceptual time-warp, but it's an important part of Milton's profoundly anticipatory imagination.

这个古怪的暂时的脱节是诗歌中很重要的一部分，它不仅带给诗歌一种不寻常的感觉,就像概念性的时光隧道，但他确实是弥尔顿,深奥的预言性想象的重要部分。

耶鲁公开课 - 弥尔顿课程节选

In this case, the basic column of air is twelve and a half feet long and there are something called "Partials" or the "Harmonic series" That happens in anything, on a string instrument or whatever, but on the horn it's very distinct and that's what makes the different notes.

像这样,基本空气柱有十二个,每个半英尺长,圆号能发出分音,或泛音列,弦乐器或是,其他别的乐器中都有,但在圆号上,效果相当不同,这就是它能奏出不同音符的原因

耶鲁公开课 - 聆听音乐课程节选

Somehow, if you could manufacture a really smooth frictionless surface, that if you took a hockey puck or something and an air cushion and you give it a push, in some idealized world, it'll travel forever.

如果你制造一个绝对光滑无摩擦的表面,然后在上面放个冰球或者别的什么,或者气垫,然后推它一下,在理想条件下,它会永远运动下去

耶鲁公开课 - 基础物理课程节选