单词：echidnae
单孔目哺乳动物, 针鼹鼠( echidna的名词复数 )
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The Strange Case of the Duck-Billed Platypus 光怪陆离鸭嘴兽 by Jeremy Beacock The duck-billed platypus is a creature that just doesn't fit in. 哺乳类？爬虫类？傻傻分不清楚。 When 18th-century scientists first came across Austral
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VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell how some storms might help to prevent large earthquakes. We will tell about the winner of the two thousand nine
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VOA慢速英语2009年（七）月
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