单词：directional spectral absorptivity
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Without the Sun we wouldnt be here. It is the source of our heat, light and energy. It is enormous, bigger than we could imagine; yet its very small compared to other suns in the universe. Its unbelievable to think how much the sun burns. Its just a
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This is the VOA Special English Health Report. Doctors currently identify autism disorders by observing behavior. Autism affects social and communication skills. It usually first appears in young children. Now, researchers in the United States think
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Amanandhissonwereridinginthecar. Themansaidtohisson,Couldyoucheckandseeifthedirectionlightsareworkingonyoursideofthecar? Hissonlookedoutthewindowandsaid,Yes,no,yes,no,yes,no,yes,no... Notes: 1.Amanandhissonwereridinginthecar. 有一个男人和他儿子
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中文 英文 缩写 顶侧板 top-side door 顶盖 top cover 顶面板 top panel 定长方式 fixed-length mode 定长码 fixed-length code 定界符 delimiter 定力矩扳手 torque wrench 定时 ti
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Pakistani troops have killed at least 84 Taliban fighters and lost five of soldiers in two days of clashes in a northwestern tribal region believed to be a militant stronghold. Top military officials in Pakistan say that clashes in the Orakzai tribal
VOA标准英语2010年(三月)
Afghanistan has become the first country to map its natural mineral resources using an advanced remote sensing technique known as hyperspectral imaging. The mapping, a collaborative effort between the U.S. Geological Survey and the Afghan Geological
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