单词：desuetudo
[网络] 废弃习惯；废用；罗马法把不使用
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Ronda Rousey always wanted to compete at the Olympics, but she was surprised when she made the U.S. judo team in time for the 2004 Games in Athens. She was just 17 at the time. As VOA's Steve Schy reports, she's 21-years-old now, more experienced an
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VOA标准英语2008年（六月）
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对你而言，智能手机可能就像你的朋友。但是真正的朋友会时不时给你一个笑脸。在TED2013大会上 Keller Rinaudo 展示了 Romo，一种由智能手机控制的迷你机器人，可以陪着你散步，可以帮你在桌子
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In the front of its lower jaw there are eight sharp teeth for nipping. There are no teeth in its upper jaw opposite these, but there is a hard pad instead. At the back of its mouth the sheep has six teeth with flat tops on each side of each jaw. Thes
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