Central heating was present in every upper-middle class home by the second half of the 19th century.

到19世纪下半叶，中上层阶级家庭都用上了中央供暖。

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Central heating was present in every upper-middle-class home by the second half of the 19th century.

到19世纪下半叶，中央供暖系统已出现在每个中上层家庭里。

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It will be ready by 20Many countries, especially the ones in Central Asia, Southeast Asia, the Middle East and Eastern Europe, are planning to build high speed rail lines or to improve their railways with the help of China.

许多国家，特别是中亚、东南亚、中东和东欧的国家，正计划在中国的帮助下修建高速铁路或改善他们的铁路。

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Malaria is also a threat to people living in parts of Asia, Central and South America, the Middle East, and southeastern Europe.

VOA: special.2010.04.20

The disease is found in more than one hundred countries in Africa,Asia, the western Pacific Ocean, the Middle East and Central and South America.

VOA: special.2009.05.26

The agreement aims to help pave the way toward creating a series of gas pipelines from central Asia and the Middle East through Turkey and into Europe.

VOA: standard.2009.05.08

Central Command oversees operations in the Middle East and Central Asia, including the war in Afghanistan.

CNN: Bush: U.S. will move on Iraq if U.N. won't

Following the mission, Gen Allen served as acting deputy commander of the US Central Command, overseeing American military operations across the Middle East and central Asia.

BBC: Gen John R. Allen

The largest area stretches from Saharan Africa across the Middle East and Central Asia into parts of China.

CNN: Growing deserts 'a global problem'