abbr. harmattan (warm drywind on the west coast of Africa) 干燥的热风(非洲西海岸)

How many times has your mother told you to turn off the lights when you leave a room, or to close the fridge door while you decide what to eat. Well, climatologists are on her side. Because according to a study in the Proceedings of the National Acad

发表于:2018-12-24 / 阅读(39) / 评论(0) 分类 Scientific American(十)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(93) / 评论(0) 分类 单词解析速记

How likely that technology will destroy those who invented it? The Drake Equation doesn’t exactly narrow the field. Depending on the variables, the number of intelligent civilizations could be zero

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 寻访外星人

By Robin Rupli A new video documentary about life in Iraq opened in October in theaters across the United States. For Voices of Iraq ,three Los Angeles-based filmmakers sent 150 hand-held video camera

发表于:2019-01-03 / 阅读(45) / 评论(0) 分类 VOA2004(下)--文化艺术

Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours

发表于:2019-01-14 / 阅读(41) / 评论(0) 分类 VOA标准英语2013年(七月)

Move away from the sun, and you'd expect things to cool down a little. Venus, the picture of coolness and calm, all pale but gully-cloaked by clouds but the planet of love is shrouded in mystery-----------draw beneath her treacherous veil at your own

发表于:2019-02-05 / 阅读(52) / 评论(0) 分类 自然百科2012年
学英语单词