单词：rf oscillator
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841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、
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Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping
英语听力文摘 English Digest
美国独立乐队STRFKR《While I'm Alive》！当你年老，耄耋而至，听钟摆摇晃，每秒都是一刻的生命。越是临近死亡，越是怀念曾经的青春。 歌词： (Verse) Last night all that I could wait when I was sleeping I
金属
By Mona Ghuneim New York 24 October 2007 The United Nations Special Envoy to Darfur says some Sudanese rebels have declined to take part in the upcoming peace talks and it is still uncertain who will participate. The talks with the Sudanese governmen
2007年VOA常速英语（十月）
Gabrielle: Hi, Annili! How are you today? Anili: Oh, I'm fine. Gabrielle: Good! Hey, I love your scarf! Anili: Oh, my scarf! Gabrielle: Yeah, where did you get it? Anili: Oh, I bought this scarf in Sydney. Gabrielle: Oh, OK. So, Sidney is your hometo
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Gabon's Interior Ministry is introducing tougher security measures across the country after opposition riots brought an overnight curfew to a key port city. The violence followed the announcement that the son of the country's long-time leader has be
VOA标准英语2009年(九月)