Perhaps the most striking sign of mobility is the fact that by the third millennium B.C., most pastoralists in this huge region spoke related languages ancestral to the modern Indo-European languages.

可能在人口流动性方面最具说服力的标志是，公元前3000年，在这片广袤的土地上大部分牧民讲的相关语言，现代印欧语系就从中发展而来。

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A third nation in the region, the Tohono O'odham reservation, hasn't escaped unscathed either.

这一地区的Tohono O'odham民族居留地也未能全身而退。

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And in fact, drought in the Black Sea region cut Russia's wheat harvest by a third this year.

事实上，黑海地区的干旱导致俄罗斯今年的小麦收成降低了三分之一。

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The region has the third largest barrier reef in the world.

VOA: standard.2010.05.26

Sydney joins Singapore and Tokyo as the third Region in Asia Pacific and the ninth Region worldwide.

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About three months ago, in the Third Region Command in East Timor's southern Suai area, refugees began seeking protection around Falintil camps, confronting commander Falur Rate Laek with a serious dilemma.

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It was once the third largest in the region, and possibly first settled as far back as 1, 000BC.

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