Wind turbines are excellent sources of clean, renewable energy. However, a problem comes up when these giant machines reach the end of their operational lifespan after 20 years of use. How should they be disposed of? Many of the parts can be recycled, but this can be a long process that takes a lot of energy. One European company has come up with a unique approach to recycling wind turbines. The main advantage of this method is that it does not require melting down large amounts of steel or other materials.
风力发电机是洁净能源与再生能源的绝佳来源。然而，当这些巨型机械在运行二十年后达到使用期限时，一个问题随之浮现。该如何处理它们？许多零件可以回收再利用，但这是一个漫长且极为耗能的过程。一间欧洲公司提出了一个回收风力发电机的独特方法。此方式的主要优势在于无须熔化大量钢材或其他材料。
生活必备字词：
recycle vt. 重复利用，回收
process n. 过程
melt down... / melt... down 熔化……
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本文节录自《常春藤生活英语》杂志，完整内容请见六月号。
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