单词：microscope hardness tester
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Unit 14 Part B Text 1 Genetic Engineering: for Better or Worse? Technology is not only used to build spaceships and high-speed computers. It is also being used to create new plants and animals. This technology is known as genetic engineering. At the
全新版大学英语听说教程第三册
Bluegrass is often associated with the arrival of Celtic immigrants to the Appalachian Mountain region in the 1700s. American bluegrass music remains popular in many parts of the United States. Jam sessions, where musicians get together to play, can
VOA标准英语2010年(五)月
1135 、 晶体点阵；晶体格构；晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、
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iPhone Becomes Low Cost Microscope The Apple iPhone can be used for lot of things making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections i
VOA标准英语2013年(三月)
One of the world's most remote inhabited islands is on the lookout for a new farmer, but with just one village and a population of only 265 people moving there may not be everyone's cup of tea. 最近，世界上最偏僻的小岛之一正忙着招一位
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I was only alive to the condensed confidential comfortableness of sharing a pipe and a blanket with a real friend. 我的兴趣完全集中在跟一个知心朋友共吸一支烟斗。共盖一条毯子的这种精诚的舒适上了。 With our shagg
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