碳水化物

(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate

发表于:2018-12-30 / 阅读(47) / 评论(0) 分类 托福听力短文

Japan said Tuesday it had successfully extracted methane hydrate, known as fire ice, from its seabed, possibly unlocking many years' worth of gas for the resource-starved country. In what they are claiming as a world first, a consortium is drilling f

发表于:2019-01-08 / 阅读(42) / 评论(0) 分类 英语阅读理解

Ben Carter Powdered material called dry water, could provide a new way to store carbon dioxide in an effort to fight global warming. Dry water looks a lot like fine white sand, which isn't surprising since what makes it dry is that each tiny water dr

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 VOA标准英语2010年(九)月

It's very hard to tell. We've just hit the water. It's very hard to tell what altitude we're at. We've crashed the airplane at 930 feet. It seems clear that flying into that methane caused enough confusion in the instruments and with Thomas and he en

发表于:2019-01-22 / 阅读(50) / 评论(0) 分类 自然百科2010年

Howcouldyoudothistome?你怎么可以这样对我? 例句: Hetookmymoneywithoutsayingaword,howcouldhedothistome? 他一声不吭拿走了我的钱,他怎么可以这样对我? Hehadmadeuphismindtobreakupwithme,Howcouldhedothistome? 他已经下

发表于:2019-02-15 / 阅读(44) / 评论(0) 分类 跟艾米莉一起学口语

本期内容: How much you sweat doesn't necessarily correlate with the intensity of your workout. It is due to a number of factors, including gender (men tend to sweat more than women) and age (younger people sweat more than older people) as well

发表于:2019-02-20 / 阅读(43) / 评论(0) 分类 夏说英语新闻晨读