双语例句原声例句
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然而，尽管当地铁浓度立即提高，在一个这样的区域实验释放铁化合物却没有产生大量的浮游生物。
However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.
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我们面临的问题是，我们的能源政策在很长的一个时期忽视了美国境内的碳氢化合物，现在我们要为此付出代价。
What is happening is that we have had an energy policy that neglected hydrocarbons in the United States for a long period of time, and now we are paying the price.
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清单9显示了另一个样例查询，它确定的是不同的原子(或离子)在不同的化合物中发生的频率。
Listing 9 shows another sample query, which determines how often different atoms - or ions - occur in different compounds.
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It's one of the only compounds, there's only I think three, where the density actually goes down when it freezes.
它是我见过的，唯一一个，在降温时密度下降的化合物。
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