现在来说说激光光谱学，这是你们作业的重点，激光光谱学可以非常精确地测量光谱的哪些部分被不同物质吸收。

Now, Laser Spectroscopy, which is the focus of your assignment, works by measuring very precisely what parts of the spectrum are absorbed by different substances.

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现在说说轻松点的新闻，欧洲在处理食物浪费方面为世界其他地区设立了榜样。

Now for the lighter side of the news, Europe is setting an example for the rest of the world when it comes to food waste.

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现在能说说为什么吗？

Can you say why, now?

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Segment Five What Obama is Up To Having demolished the new deal, we now turn to president Obama.

第五章，奥巴马做什么,把新政从神坛上拉下来，我们现在说说奥巴马政府。

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We've talked about Mozart before and we're going to go on now to talk about Mozart's Requiem.

之前我们已经谈论过莫扎特了,我们现在还要继续,说说莫扎特的《安魂曲》

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But before telling you about this let me sort of Go through some of the hypothesis that we have and That we are now testing about why the subject is Difficult and why these materials assembled what We have assembled them might be useful.

但是谈那之前我要说说,我们之前的一些假设,我们现在正在测试为什么这个学科很难,以及为什么我们整合这些资料是有用的,我们认为把它们整合起来或许有用。

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