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vocabulary 10000 第五部分 Lesson 10 The entire population was aggrieve d by the tyranny of the king. Only a callous / apathy person can see suffering without trying to relieve it. Walking barefoot on the asphalt pavement/trotter makes the bottom o

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刘毅词汇 10000

刘毅词汇 10000 第四部分

vocabulary 10000 第四部分 Lesson 10 The entire population was aggrieve d by the tyranny of the king. Only a callous / apathy person can see suffering without trying to relieve it. Walking barefoot on the asphalt pavement/trotter makes the bottom o

发表于:2018-11-27 / 阅读(928) / 评论(0)

刘毅词汇 10000

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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

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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

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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

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This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

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DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

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