Earlier in the year, a report from the National Research Council identified the combustible water, also known as methane hydrate, as a potential source of natural gas.
在今年的早些时候,美国国家研究委员会就提出过一份报告,论证这种可以燃烧的水,也可称作甲烷水化物,是一种天然气的潜在来源。
In 2005, that meant approximately 2 million tons of water bottles ended up in U.S. landfills, according to the National Resources Defense Council (NRDC) (see References 3, Question 7).
这意味着在2005年,据美国自然资源保护委员会统计,有近2百万吨废水瓶躺在美国的垃圾场里。
A dour National Research Council report recently poured cold water over the notion that plug-in vehicles will make much difference on oil use or the environment before 2030 at the earliest.
而最近National Research Council的报告则给先前关于充电式汽车将会在2030年前大幅度减少石油使用量并且改善环境的想法泼了冷水。
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