单词：retractable bond
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Well this is the centerpiece for Beijing's Games, officially it's called the National Stadium. It's better known as the Bird's Nest because of that avant-garde design of the interwoven steel beams on the outside and until now that's all weve been ab
万花筒2008年
Cats are basically designed as hunt-and-kill predators. 猫科动物基本是猎杀型掠食者。 They are carnivores, that's what they do as carnivores, is they chase things down and kill them. 它们是食肉动物，这类食肉动物追赶猎物然
侏罗纪搏击俱乐部
雅思听力机经中出现的词组往往有限，同学们没有必要拿着厚厚的词汇书发愁，很多时候，利用听力阅读中的题目就能搞定很多单词。下面雅思频道就为同学们整理剑10听力中出现的词汇汇总，
雅思英语
The developer Meydan has announced the launch of a new scheme known as Meydan One featuring a 711m-high tower, a huge new mall, the worlds largest indoor ski slope, a 25,000 sq metres indoor sports facility, the biggest dancing fountains in the world
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It's the debate that has long divided animal lovers. Now scientists have confirmed that cats really are better than dogs at least from an evolutionary perspective. 一直以来，猫和狗哪个更好这一问题将动物爱好者划分为两大阵营。
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进化与轮子 从前，研究自然界没有轮子的进化论生物学家都同意不能用无此需要来解释这种现象：轮子对于动物会像对于我们人类一样有好处。 生物学家们推论，动物没有进化出轮子是由下述
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