Southern Pennsylvania is still a world unto itself.

南宾夕法尼亚仍是一个自成一体的世界。

《柯林斯英汉双解大词典》

WHO has been monitoring epidemiological and virological evidence from all parts of the world, including both Northern and Southern Hemispheres, to determine when the pandemic is over.

世卫组织一直在监测来自世界所有地区(包括南、北半球)的流行病学和病毒学证据，以决定大流行的结束时间。

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The Commonwealth of Australia is a country in the Southern Hemisphere comprising the mainland of the world"s smallest continent and a number of islands in the Southern, Indian and Pacific Oceans.

澳大利亚联邦位于南半球，包含了位于世界最小的大洋洲的澳大利亚大陆和南部，印度洋和太平洋的一些岛屿。

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Scientists say this is because when the Chazy Reef began to form hundreds of millions of years ago, it was in the southern half of the world.

VOA: special.2009.01.05

The Under-20 World Cup draws only a fraction of the fans that the full World Cup will bring to South Africa, when hordes of supporters from 32 nations will descend on the southern end of the continent.

VOA: standard.2009.10.12

However, you fail to acknowledge that, by our reckoning, 96% of diamonds mined in the world today have brought growth and prosperity to a number of countries, many of which are in the developing world including southern Africa.

ECONOMIST: Letters

First World Brazil is broadly Southern, white and European - though there is a sizeable black middle-class - and Third World Brazil is largely to be found in the poorer North-East.

BBC: NEWS | Entertainment | Brazil's bland and beautiful

Our World: Corruption Crusader by BBC's Southern Africa correspondent Karen Allen is broadcast on BBC World News on 28 and 29 July.

BBC: South Africa's corruption crusader Thuli Madonsela