单词:mobile x-ray machine
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听力原文参考 The internet The internet is the most significant progress in the field of communications.Imagine a book that never rend, a library with milion floors,or imagine a research project with thousands of sientists working around the clo
By Cathy Majtenyi Rwimiyaga, Rwanda 19 July 2007 Many women in Rwanda are struggling to lift themselves out of poverty. The 1994 genocide left large numbers of them widows. With the support of international agencies, one group of women in northern Rw
[00:00.00operator [00:01.70]接线生 [00:03.40]A:operator [00:04.52]接线生 [00:05.64]B:l'd Iike to make a collect-call,please [00:07.16]我要打一通对方付费电话,谢谢 [00:08.67]Who made these international calls to Norway [00:10.89]这些
Section 38 Inventions They say that the world’s first great invention was the wheel. Perhaps we could argue that the discovery of fire was equally as important. Of course we don’t know who invente
In our lives we have lots of machines and electrical equipment things like cars and washing machines, video recorders and mobile phones. Most of the time they work OK. But sometimes they do not. Todays podcast is about the words we use when something