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Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A
自然百科2009年
Meanwhile, as the sun got progressively higher, it lit up the watery mass more and more. The seafloor changed little by little. 太阳陆续上升，照得水底更加明亮了地下也渐渐起变化。 Its fine-grained sand was followed by a genuin
《海底两万里》中英双语有声读物
Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A
英语杂谈
It's time once again for the Moment of Science Pop Quiz. Ready? Here goes. Do birds have teeth? Sure, you can laugh, but what's the answer? No? Maybe? Have you ever looked? In fact, the correct answer is: not any more. Some modern day birds have ridg
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