Nowhere in nature is aluminum found free, owing to its always being combined with other elements.

由于铝总是和其他元素结合在一起，所以在自然界中找不到游离的铝。

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This, along with other policy shifts toward free trade, resulted in a significant increase in traffic through the Sound and in the port of Copenhagen.

这一点加上其他转向自由贸易的政策，导致通过海峡和哥本哈根港口的交通流量显著增加。

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Nowhere in nature is aluminum found free, owing to its always being combined with other elements, most commonly with oxygen.

由于铝总是和其他元素结合在一起，最常见的是和氧结合，所以在自然界中找不到游离的铝。

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She said their life was free of the anger and rebellion found among young people in other societies.

VOA: special.2010.01.17

In other words, now I know how to tell how the Helmholtz free energy changes as a function of temperature.

换句话说，我现在知道如何写出亥姆赫兹,自由能作为温度的函数。

麻省理工公开课 - 热力学与动力学课程节选

Alright, so it turns out there're two other useful types that you don't get for free out of the box.

我们还是回到这里，还有两种很有用的数据类型,这两种都不用担心内存不足。

哈佛公开课 - 计算机科学课程节选

If you become extra hands somewhere, it may free up other hands that want to go help somewhere else.

CNN: Kate Kelly: Halloween safety

Employing special software that can be downloaded for free from other websites, Goto electronically removes the computer-generated fig leaf.

CNN: ASIANOW - TIME Asia

Chinese authorities said Google must keep its mobile software, Android, free for other device makers for up to five years.

BBC: Google wins Chinese approval for Motorola Mobility bid