单词：pyridoxal 5-phosphate
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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
国家地理2008年
The videos on Love Stories TV website have drama, romance, and beautiful clothes mixed with costly settings and highly technical camera shots. Is it Hollywood or is it real life? Sometimes the line seems to disappear. Love Stories TV shows videos of
2018年VOA慢速英语(四)月
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
医务英语
I might have been a singer Who sailed around the world A gambler who wins millions And spent it all on girls I might have been a poet Who walked upon the moon A scientist who would tell the world I discovered something new I might have loved a king
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
By Phuong Tran Dakar 16 March 2007 In some African countries when a woman's husband dies, it is common for her to marry one of his brothers. For many families, this ensures someone will take care of the widow and her children, and that she remains p
2007年VOA标准英语（三月）
Dido，一个前途无量的女孩， 正在用她的才华征服着全世界的歌迷。 国乐坛史上最畅销女歌手，两张专辑全球销售破2200万张 2003年九月《漂泊的心Life For Rent》全球狂卖850万张，在22国拿下冠军，英国七白金成为年度销售冠军专辑。1999年首张专辑《无天使No Angel》目前
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他们常说，漂泊的人会在Dido的歌声中重获温暖。很佩服这样的歌手，触景生情会想起，即使已是五年。 Quiet Times- Dido You ask me where I go tonight I go back to today last year. Me and you had to make each other happier, now there's hope with everything. I
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英文歌词: Two weeks away It feels like the whole world shouldve changed But Im home now And things still look the same I think Ill leave it to tomorrow till unpack Try to forget for one more night That Im back in my flat on the road Where the cars n
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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. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
自然百科2008年
Kurt Vonnegut The Summer had died peacefully in its sleep, and Autumn, as soft-spoken executrix, was locking life up safely until Spring came to claim it. At one with this sad, sweet allegory outside the kitchen window of her small home was Ellen Bow
英文短篇小说