“I would explain the historical background to Kristina.”

“我会向克丽丝解释历史背景。”

Well, Do you think we ought to give some historical background?

你觉得我们应该说点历史背景吗？

This historical background has provided a good foundation for President Trump's visit.

这一历史性的时代背景也为特朗普总统访华打下了良好的基础。”

And I know that it has some sort of historical background to it.

我知道它有某种历史背景。

OK. So I suppose we'll begin with some general historical background about why coastal cities were established.

好的，我觉得我们应该以一些比较概括性的为什么建设沿海城市历史背景开始。

All the sort of background, maybe a bit historical; what has happened in the past?

各种各样的背景， 也许有点历史； 过去发生了什么？

You could talk about a building's " historical background." That doesn't mean that the building itself was very important.

你可以谈论一座建筑的“历史背景” 。 这并不意味着这座建筑本身很重要。

Well, Trevor, what are we going to include? Well, Do you think we ought to give some historical background?

特雷弗，我们要说些什么？你觉得我们应该说点历史背景吗？

Last but not least, when l am doing research, I might want to know some other information, such as historical background and the introduction to key personnel.

最后但并非最不重要的一点是， 当我进行研究时，我可能想了解一些其他信息，例如历史背景和关键人员的介绍。

Before showing you some slides of modern log houses, I'd like to give a little historical background on the subject: Log cabins were first built in the late 1600's along the Delaware River valley.

在向您展示现代木屋的一些幻灯片之前，我想先介绍一下这个主题的历史背景：小木屋最早建于 1600 年代后期，沿着特拉华河谷。