The project would give scientists new insights into what is happening to the Earth's atmosphere.

该项目将使科学家们对地球大气层正在发生的情况有更新的了解。

《柯林斯英汉双解大词典》

In such a fast-changing world, in which reality seems to be remade each day, we need the ability to focus and understand what is happening to us.

在这样一个快速变化的世界里，现实似乎每天都在被重新塑造，我们需要相关的能力去注意并理解发生在我们身上的事情。

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Highly irregular, and what is happening to it?

非常不规则，这里发生了什么？

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that, look, re-think this. Give it another thought. Remember what happened to the British,the Russians and look what is happening to us right now.

VOA: standard.2009.03.17

Highly irregular, and what is happening to it?

非常不规则，这里发生了什么？

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So, what we know is happening is that were having transitions from some excited states to a more relaxed lower, more stable state in the hydrogen atom.

我们知道，这里所发生的是,氢原子从激发态到更低更稳定的态的跃迁，而我们用眼睛可以探测到的。

麻省理工公开课 - 化学原理课程节选

But we're afraid there may not even be any monitoring of what is happening to them.

BBC: UK birds hit by French oil spill

But the differences underline the difficulty of understanding what is happening to the economy at present.

ECONOMIST: Ports in a storm | The

We have also to take account of what is happening to food and energy prices.

FORBES: No Need To Hike Rates In The UK