And what he said was that when you get down to atomic length scales there are limits, there are constraints on our ability to observe.

讲的就是,当你去进入到原子长度的尺度中,我们的观察能力,有一定的限制条件。

麻省理工公开课 - 固态化学导论课程节选

You said that you work here. What kind of businesses are around here?

你说你在这儿工作。这周围都有哪些类型的企业呢？

皮卡迪利的公司员工 - SpeakingMax英语口语达人

Yeah,so you know many many people have said or asked the question what are Americans objectives in Afghnastan today? What are they?

嗯，你知道很多人说或者问这个问题,美国在阿富汗的目标是什么？

普林斯顿公开课 - 国际座谈会课程节选

They may seem, and probably might even be said to be, different and antagonistic at some point, and when they are what should you do?

它们很有可能在某些方面,被人认为是迥异的,敌对的,如果它们真是如此的话你将如何去做

耶鲁公开课 - 古希腊历史简介课程节选

If you said, "What is English?", the Royal Family are.

如果你说，“什么是英国？”答案就是皇室。

英国皇室的意义 - SpeakingMax英语口语达人