Only metals which exist as free elements can be extracted by physical methods. These metals include gold and silver.

只有以自由态的形式存在于地壳中的金属才可以用物理方法来提取，这些金属包括金和银。

youdao

The free elements of narration not only support the bound ones in the narration of the story, but fully reflect the individuality of the narrator.

文本故事世界中的自由叙述因子不仅支撑着非自由叙述因子，而且充分体现了叙述者的个性特征；

youdao

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。

youdao

All told, there's a small deluge of new features that could amount to a lot, even excluding new hands-free elements like Smart Scroll.

ENGADGET

As the problems of ObamaCare inevitably emerge, the big question will be whether they will be blamed on the residual free-market elements of our health system or on the new government controls.

FORBES: The Battle Of The Narrative: How Ordinary Americans Can Fight ObamaCare

Unfortunately, it is not the democratic, free market-oriented elements with whom President Boris Yeltsin has been associated in the past.

CENTERFORSECURITYPOLICY: Center For Security Policy