VOA标准英语2011.12.27 会议, 英语, 阿尔及利亚, secretary, attending

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Luc Gnacadja is the executive secretary of the U.N. Convention to Combat Desertification——the UNCCD. He was among those attending a meeting in the southwestern Algerian town of Tinerkouk to mark the Decade for Deserts and the fight against desertification.
联合国防治荒漠化公约执行秘书吕克.尼亚卡贾也参加了在阿尔及利亚西南部提奈尔库克镇举行的会议。这次会议标志着土地沙漠化和防止荒漠化战争已达十年。
Speaking from Tinerkouk – a desert area – Gnacadja said natural desert ecosystems are valuable and must be conserved – but man-made deserts must be avoided. He warned that land degradation – also known a desertification – is a global problem.
从提奈尔库克开始说起，这是一个沙漠区，尼亚卡贾说天然沙漠生态系统是很有价值的必须好好保存，但是应避免人造的沙漠。他强调土地退化也就是荒漠化是一个全球的问题。

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A top UN advisor said on Friday that every minute 23 hectares of land are degraded by drought and desertification. He said it's damaging the ecomomical, social and environmental pillars needed for sustainable development.

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A top UN advisor said on Friday that every mins, 23 hundred hecatre of land are degraded by the drought and desertification, he said it is damaging the economic, social and the enviromental pillars, these did force the sustainable development

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degradation