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(单词翻译)
In 1910, Rutherford (assisted by his student Hans Geiger, who would later invent the radiation detector1 that bears his name) fired ionized helium atoms, or alpha particles, at a sheet of gold foil. To Rutherford's astonishment2, some of the particles bounced back. It was as if, he said, he had fired a fifteen-inch shell at a sheet of paper and it rebounded3 into his lap. This was just not supposed to happen.
1 detector | |
n.发觉者,探测器 | |
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2 astonishment | |
n.惊奇,惊异 | |
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3 rebounded | |
弹回( rebound的过去式和过去分词 ); 反弹; 产生反作用; 未能奏效 | |
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4 dense | |
a.密集的,稠密的,浓密的;密度大的 | |
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5 nucleus | |
n.核,核心,原子核 | |
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6 immediate | |
adj.立即的;直接的,最接近的;紧靠的 | |
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