Today how scientists can now accurately model how a tsunami will strike a coast – even half a world away.

当海啸还隔着半个地球那么远，科学家就能对海啸袭击海岸的过程建立精确模型。我们今天探讨科学家是如何做到这一点的。

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Scientists say the dry conditions in the Horn of Africa are at least partly the result of an event half a world away.

科学家们称，造成非洲之角干旱至少部分的结果是距离半个地球之遥的事件导致的。

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Likewise, thanks to technology, we can now easily have those scans read and interpreted by professionals half a world away.

同样，多亏了科技，我们可以轻松地从半个地球以外解读这类扫描结果。

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That's the Fairtrade Foundation's idea behind this "tea dance" - letting people know they can choose products that will make a difference half a world away.

VOA: standard.2010.03.10

The director of Afghanistan Rights Monitor,Ajmal Samadi, tells VOA that the debate half-a-world away is alienating the people of Afghanistan, causing them to question Washington's commitment.

VOA: standard.2009.10.26

But half-a-world away, ordinary Afghans have their own advice for the U.S.president.

VOA: standard.2009.11.09

Everyone laughs at me, but I think it's worth coming from half a world away.

CNN: Queen's balcony wave, flyover cap Diamond Jubilee celebrations

Because I will not allow terrorists to plot against the American people from safe havens half a world away.

NPR: Obama's Address To Congress

The health of people half a world away can be affected by whether those workers have latrines and wash-basins.

ECONOMIST: A bug with social aspirations