You can see that as you fill up your periodic table, it's very clear. But also we'll tell you a pneumonic device to keep that in mind, so you always remember and get the orbital energy straight.

在你们填周期表的时候，非常清楚但是我们也要告诉你们,一个策略去记住它，所以你们总是记得,并得到连续的轨道能量。

麻省理工公开课 - 化学原理课程节选

Similarly, in naval battles Themistocles at Salamis comes up with a clever device.

在萨拉弥斯海战中,地米斯托克利也是靠着类似的招数才扭转乾坤

耶鲁公开课 - 古希腊历史简介课程节选

Lastly, up here, is a picture of a much smaller device, this is actually an artificial heart valve that is made of plastics and metal and can replace the valve inside your heart.

最后,在上面这里,这张图片是一个相对较小的装置,这实际上是一个人工心脏瓣膜,由塑料和金属制成,可以取代人的心脏瓣膜

耶鲁公开课 - 生物医学工程探索课程节选

So we have to come up--we mortals-- have to come up with some other device, and our device to remember things is to try to write it down because my premise here is, if you can write music down clearly you are hearing it, clearly, and you would have a better chance of remembering it if you could write it down.

因此我们普通人,必须开发出,不得不开发出一些其它的方法,而我们用来记忆的方法,就是试着写下来,它的前提是,如果你可以将听到的音乐清楚地写下来,很清楚,那么你就更有可能,记住它,前提是你能写下它

耶鲁公开课 - 聆听音乐课程节选