And fracking has unleashed a flood of oil formerly trapped in shale rock underneath North Dakota, among other places.

液压破碎法将北达科他州及其他地区页岩下的石油大量开采出来。

I find that I do some of my best work under intense terror.

我发现 及其紧张的情况下 我往往有出色的表现。

And these two theories differ only in the mechanisms they offer for explaining the generation of contextual meaning.

最后，我们可以这样总结会话隐含(Conversational Implicature)：它是一种暗含意义，可以合作原则及其准则的指导下，词语常规意义的基础上，联系语推导出来。这种意义上，会话隐含相当于言语行为理论中的行事语力。它们都与意义的语方面有关，用汉语的说法，就是“言外之意”。这两种理论的不同仅于语意义的产生机制有不同的解释。

The next frontier for drones and their regulation really is what's called beyond visual line of sight and this would enable drones to fly unlimited distance autonomously.

无人机及其监管的下一个前沿领域实际上是所谓的超视距，这将使无人机能够自主飞行无限距离。

Towns, cities and governments all over the World  are beginning to understand the issues and are making changes in ordinances and in law to  protect our skies and the wildlife underneath it.

世界各地的城镇、城市和政府正逐渐认识到这些问题，并法规和法律上做出调整，以保护我们的天空及其下栖息的野生动植物。