单词：catastrophic fault
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This is Scientific American's 60-Second Science. Im Karen Hopkin. Itll just take a minute. When you think about an ecosystem, you usually think of the big animals that live there. The Serengetis ruled by lions. And estuaries are populated by fishes,
Scientific American(七)月
For the past three days, prominent Republicans have taken the stage at their party's convention and talked about John McCain. Tonight the Republican presidential nominee will take the stage to speak for himself. NPR's Ina Jaffe has more. Workers at
2008年NPR美国国家公共电台九月
[00:02.35]地球 [00:04.70]READING THE PROPERTIES OF WATER [00:07.29]阅读 水的特性 [00:09.87]Earth is an ocean planet. [00:11.76]地球是个水球。 [00:13.64]About three billion years ago,life on our planet began in the deep blue seas. [00:1
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Oysters Return to New Yorks Great South Bay 牡蛎又回到纽约大南湾 The Blue Point oyster is returning to the Great South Bay of New York after almost disappearing from the world marketplace. Over-farming, pollution and Hurricane Sandy had sev
2015年VOA慢速英语(七)月
The young crowd at this aquarium had a novel way of cooling down on the hottest day of the year. 在今年最热的日子里，年轻人在这个水族馆里有了一个新奇的降温方法。 As temperatures hit 93.2F (34C) on the first day after r
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Once again the migratory birds, the Godwits are arriving in New Zealand from Alaska. They arrive in groups, usually the second or third week in September. Because of the earthquake damage to the Cathedral, Christchurch cannot ring the Cathedral bells
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