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Dire warnings issued on diminishing Arctic ice(视频)
失败竟然比成功更重要？
看《机械师》学口语
Early detection and treatment a must for glaucoma patients(视频)
懒癌患者的福音 十款快捷美味的早餐
Despite recession, blow-dry bars heat up
吴恳大使在禁化武组织第83届执理会上的发言
富人“眼中无人”是有科学依据的？！
Refugee camps spread life-threatening diseases
European farmers work to boost global grain supplies
Obama calls human tafficking 'slavery'
让你更时髦的5样明星单品
Reality of mormon life more complex than Romney image(视频)
Tons of methane gas could be trapped under Antarctica
你见过最奇葩的密码是什么？
US presidential debate a 'Game Changer'(视频)
Several US States to let voters decide same-sex marriage(视频)
Vietnamese-American doctor helps rebuild bodies, lives(视频)
Apollo's final missions: The last footsteps on the moon
Officials say New Orleans is better protected(视频)
Cheating scandal threatens Harvard's image
你怎么看待代购这个“行业”呢？
After long fight, DC wins right to a statue in the Capitol Building
英语单词不用逐个背，252个词根就够了（九）
Apollo 13: 'Houston, we've had a problem here'
科学家研发出电脑法官 断案准确率达79%
How to win a debate, Presidential or otherwise
unlucky的十种表达方法
王群司长在第71届联大一委一般性辩论中的发言
Carlsbad Caverns National Park in New Mexico