单词:Natacyn
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Leading the news this morning. The Taliban has launched one of the worst attacks on the Afghan capital, Kabul in more than 10 years of war. Gun battles are continuing across the city. Militants have targeted the Afghan parliament, NATO bases and seve
EXPLORATIONS - Three Innovators Who Changed the History of Sound and Communication Technologies STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with the VOA Special English program EXPLORATIONS. Today we tell about three inventors wh
必备知识4:一些必要的词根(stems) -anthro-,-anthropo- human anthropology -aster-,-astro-,-stellar- star asterisk -audi-,-audit- hear audience -auto- self autograph -bio- life biology -capit- head, chief capital, captain -ced-go, move,yield p
The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不
By Paul Sisco Washington 04 May 2007 The United Nations Intergovernmental Panel on Climate Change on Friday plans to issue a third report on ways to offset global warming. Scientists and government administrators from more than 120 countries have bee