单词：manganese brown
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Every Saturday Old Brown went to the market to buy food and other things. He put them in a big basket, but he was old and weak. So he always paid another man to carry the basket home for him. But one
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This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d
Scientific American(六)月
This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with
Scientific American(七)月
This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the
Scientific American(七)月
与第六季美国偶像冠军Jordin Sparks合作的单曲《No Air》使人们一下子记住了这个天才小子Chris Brown。《Forever》这首歌也来势汹汹，现已成功杀入美国Billboard单曲榜前十。 英文歌词： Artist：Chris Brown Song：Forever It's u and me Moving at the speed of ligh
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Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题！ 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is
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