单词:sun's azimuth
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Covering the sun with one's hand A disciple went to a master. I shall not continue with my studies of sacred texts. he said. I live in a small house with my brothers and parents and never have the ideal conditions for concentrating on that which is i
average brightness 平均亮度 average picture level 平均图象电平 averaging 求平均数 avionics 航空电子学 axial betatron oscilations 轴向电子感应加速岂荡 axial etch nonuniform
THIS IS AMERICA - Playing in the Sun and Sea at Martha's Vineyard and Nantucket BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. This week on our program, we tell you about two islands in Massachusetts, in the New
Government officials from more than 30 countries gathered in Hungary Friday for the opening of Central and Eastern Europe's first conference center powered by renewable energy. The building of the Regional Environmental Center for Central and Easter
New York Draws on Sun's Energy New York City has long been known as a place of grit and grime. But Mayor Michael Bloomberg wants the Big Apple to be known for its green values and its increasing reliance on clean forms of energy, such as solar power.
Cambodia is home to the largest population of sun bears left in the wild. As the worlds smallest bear species, they are now facing a high risk of extinction due to the twin threat of habitat loss and illegal hunting. Charities are working hard to sav