单词:pyrromethene
单词:pyrromethene 相关文章
AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: encouraging high school students to write about the issues they want the next U.S. president to address. RS: That is the aim right now of the National Writing Project, a federally
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Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
欧美经典:Laudromat-Nivea RK:baby who that is? NV:dont worry who that is it aint you. RK:you got somebody else over there. NV:dont worry about it keith if you was over here taking care of business you wouldnt have to be asking me questions like
BBC Learning English London Life From City to Sea Jackie: Hello, I'm Jackie Dalton. Have you ever wanted to escape your everyday life and go and do something completely different? If you live in a house in a big noisy city, like London, perhaps you
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti