单词：amino-4-hexenoic
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When you call someone but they arent there, often their voicemail picks up or answers the phone. Then you have to leave a message. Anyone who uses the phone in their job has to deal with voicemail. Have you ever started to leave a message on someones
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January
Scientific American(一)月
By Dan Robinson Washington 15 June 2007 As debate continues over Iraq, U.S. lawmakers have heard from a number of voices including U.S. military officials, and current and former U.S. and Iraqi diplomats. VOA's Dan Robinson was present during many of
2007年VOA标准英语（六月）
Adriana: Shhh, Im trying to listen to the radio. Ralph: How can you listen to that radio station? All of their deejays have such funny voices. Adriana: Thats precisely why I like it. Take this guy, Kevin. He has a deep , husky voice that I find reall
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U.N. Secretary-General Ban Ki-moon says he is deeply concerned about civilian casualties in Afghanistan. Mr. Ban called for closer cooperation between civilian and military leaders. U.N. Secretary-General Ban Ki-moon, and Afghan President Hamid Karz
VOA标准英语2009年(二月)
用数学知识强化记忆 fourscore = four(4)score(20) 80 美国第16任总统林肯演说词第一句：fourscore and seven years ago， 那么，怎样才能记住 fourscore 这个词而终生不忘呢？只要我们了解了fourscore 的逻辑思维
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