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质子的质量几乎是电子的2,000倍。Protons are nearly 2000 times as heavy as electrons.自由基是一种具有未配对电子的分子碎体.A free radical is a molecular fragment having an unpaired electron.在物质中的贯穿能力,都是和电子的动能E有关的.Penetration in matter depends on the kine...
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deferment的音标：deferment的英式发音音标为：[dɪ'fɜ:mənt]deferment的美式发音音标为：[dɪ'fɚmənt]...
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In this age of thermonulear technolgy, neither view can assure man's preserv ation.在当今的热核技术时代, 这两种观点都不是以保障人类的生存.The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.无效假设这个概...
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“辐射度”的拼音为：fú shè dù...
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n.（口）渴，渴感，长期的干渴vi.渴望，口渴...
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thunder的现在进行时为：thundering...
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Bornean的音标：...
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Break down fetishes and superstitions and emancipate the mind.破除迷信,解放思想....rubber and leather fetishes.迷恋橡胶和皮革的恋物癖We should do away with all fetishes and superstitions and emancipate the mind.我们应该破除一切迷信,解放思想.Do away with...
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n.苏格兰高地的兵士...
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熊虾科...
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alkality的音标：alkality的英式发音音标为：[æl'kælɪtɪ]alkality的美式发音音标为：[æl'kælɪtɪ]...
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carunculae的音标：carunculae的英式发音音标为：[kæ'rəŋkjʊli:]carunculae的美式发音音标为：[kæ'rəŋkjʊli]...
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n.流浪者，漫游者...
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Biographers excel at dredging up little known facts.传记作者们善于发掘鲜为人知的事实.O'Keeffe preferred to distance herself from critics, biographers, art historians, or others who probed.奥基夫倾向于远离批评, 传记, 艺术史, 或谁探索和别人.Early biograph...