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Clarence Cleans His Roof It was an important thing 1) shoveling snow and the quality of your work could be seen by anybody driving by in a car, so people tried to get every last 2) speck of snow off t
疯狂英语2003年
This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because
Scientific American(三)月
Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s
60秒科学
Starling City holds its breath 星城由于人质事件 as the hostage crisis unfolds. 陷入空前恐慌 Police have attempted to 警察试图 enter the abandoned structure in the glades, 进入林中空地上的废弃建筑 but found rigged explosi
绿箭侠第一季
歌词： Christmas night, another fight. Tears we cried a flood. Got all kinds of poison in, poison in my blood. Took my feet, to Oxford street, trying to right a wrong. Just walk away, those windows say, but I can't believe she's gone. When you're
英文最新流行歌曲
CHANGSHA, Aug. 10 (Xinhua) -- The world's first super-capacity light rail train was completed Friday by China South Locomotive and Rolling Stock Corporation Limited (CSR) Zhuzhou Electric Locomotive Co., Ltd. in Zhuzhou, central China's Hunan provinc
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