单词：
单词： 相关文章
This is one of the reasons why Canada, 这就是为何加拿大 originally a climate change hero -- 它原本是环保英雄－ we were one of the first signatories of the Kyoto Accord. 我们是第一批签署京都议定书的国家之一 Now we're
TED演讲娱乐篇
Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger
自然百科2010年
Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r
VOA2003（上）-科技先知
And we're replacing that with the largest industrial project in the history of the world, 将它转变成史上最大的工业项目， which is producing the most high-carbon greenhouse gas emitting oil in the world. 生产温室气体排放量最大的
TED演讲商业篇
Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger
自然百科2009年
Parenting on the move is all about sacrifice. And in the forests of northeastern Australia, another great journey spurred by parental dedication is about to begin. On translucent tawny wings, a little red flying fox flaps homeward after a night of in
自然百科2011年