We have 266, as some of you might know who saw me counting ping-pong balls the other day in office hours.

看到了这些发泡胶球事实上,可以当作单层金原子核,我们有266个乒乓球。

麻省理工公开课 - 化学原理课程节选

For, as Rutherford has shown the assumption of the existence of nuclei, as those in question seems to be necessary in order to account for the results of the experiments on large angle scattering of the alpha rays.

因此卢瑟福,提出了原子核存在的假设，这些关于问题的假设对于,解释阿尔法粒子的,大角度散射是有必要的。

麻省理工公开课 - 固态化学导论课程节选

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