I had my suspicions about the milkshake, and so I took a sample and I rushed it down to the lab.

我怀疑奶昔有问题，于是我取了一份样品，跑到实验室化验。

耶鲁公开课 - 死亡课程节选

And, in fact there's a technique of analysis used today that's called Rutherford back scattering where people actually saw that this is a means of identifying the substance, the sample.

事实上这是现在用的一种分析技术,称作卢瑟福背散射,就是人们实际上看到的那样,这是鉴别物质样品的一种方法。

麻省理工公开课 - 固态化学导论课程节选

And, subsequently, we looked at photoelectron spectroscopy which is a technique that allows us to determine binding energies, ionization energies being just one example.

随后，我们看了光电子谱,这是一种只用一个样品,能够测量结合能，离子化能的技术。

麻省理工公开课 - 固态化学导论课程节选

Don't laugh, I'll bring samples next date.

不要笑，我下次带些样品过来。

麻省理工公开课 - 固态化学导论课程节选