The metal contraption built by two teenagers caught and threw a ball.

VOA: standard.2009.11.24

We have no idea what this menacing contraption actually is supposed to look like or what it's actually intended to signify, but we can know, I think, with some certainty that it's not scrannel.

我们无从得知这个威胁性的装置,实际上是什么样或者要代表什么，但是我们可以通过一些并不细小的确切性得知。

耶鲁公开课 - 弥尔顿课程节选

So, not only did Professor Sayer, who's in the Chemistry Department who put together this contraption for all of you, not only did she magnify the size of these gold nuclei, but she actually had to smoosh all of these atoms closer together then they normally would be.

化学系的Sayer教授把这些玩意放到一起，她不仅把金原子核的,尺寸放大了,还把原子核的间距压缩了,事实上，如果原子核的尺寸有这么大,我们需要另一个大教室，放这个原子核。

麻省理工公开课 - 化学原理课程节选