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今天是周末，爸爸带着丹尼尔去西单图书大厦购买图书，但是走到了公交车站牌处却忘记了具体的路线，那么最后他是怎么解决这个问题的呢？ Listen Read Learn Daniel: Dad, do you know which bus we should take? Benjamin: Of course, er, let me check the bus schedul

发表于:2018-12-26 / 阅读(57) / 评论(0)

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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

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Carol: Mom, Dad, it's a very generous offer, but, I don't I don't need to look over the dorms of Boston College to...to convince me. I've already made my decision, and I know where I want to go next year...Columbia University, in near by and conveni

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are you sure you want to change

aspectural pair

automatic garden tractor

back-translating

bacterial mutation