单词：processinary caterpillars
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Cannibalism Quells Contagion among Caterpillars 同类相食可防治传染病 Ben Van Allen collects caterpillars. 本 范 艾伦喜欢收集毛毛虫。 While doing postdoctoral research at Louisiana State University, 在路易斯安那州立大学做
2017年Scientific American(九)月
模块四 自然世界 [00:06.19]Unit 1 Wild animals [00:08.62]单元一 野兽动物 [00:11.05]Look and read [00:12.51]看并且读 [00:13.98]Look at this animal.It is big.It is brown.It has long arms and long legs. [00:19.25]看这个动物。它是大
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Rupert Brooke (1887 1915) Fish (fly-replete, in depth of June, Dawdling away their wat'ry noon) Ponder deep wisdom, dark or clear, Each secret fishy hope or fear. Fish say, they have their Stream and Pond; But is there anything Beyond? This life can
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By Andre de Nesnera Washington 20 April 2006 As Iran continues to defy the United Nations Security Council by enriching uranium -- a process that could lead to building nuclear weapons -- the internat
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By Scott Stearns State Department 22 March 2007 U.S. President George Bush is sending Secretary of State Condoleezza Rice to the Middle East Friday for talks in Egypt, Israel and Jordan aimed at resolving the Israeli-Palestinian conflict. VOA White H
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AUDIE CORNISH, HOST: Sometimes good research can get done with a tool so simple a child could do it. For instance, scientists around the world recently set out thousands of fake caterpillars made from clay. NPR's Nell Greenfieldboyce explains why. NE
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