Basically what he did is he took a very thin metal foil and he bombarded it with charged particles.

简单的说他做的工作是,用一张非常薄的金属箔,然后用带电的粒子轰击它。

麻省理工公开课 - 固态化学导论课程节选

We've known since antiquity that you could take gold, and you can hammer to very, very thin foil.

我们已经知道很久以前，人们就能用锤子把金敲成非常非常薄的箔片。

麻省理工公开课 - 固态化学导论课程节选

If he switched from gold to let's say iron, he also tried platinum, a number of different foils, he found that they count rate it still was 20 alpha particles per minute.

金箔的时候，计数率就变成零了,如果他把金换成比如说铁，他们还尝试了铂,还有一系列其他的箔片，他发现计数率还是每分钟。

麻省理工公开课 - 化学原理课程节选

And, in this case, they had foil that was less than a micrometer thick.

这样的话，他们采用的箔的厚度小于一微米。

麻省理工公开课 - 固态化学导论课程节选

And, they strike a thin foil of metal.

让它们去撞击金属箔。

麻省理工公开课 - 固态化学导论课程节选