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(单词翻译)
Neutrons1 and protons occupy the atom's nucleus2. The nucleus of an atom is tiny—only one millionth of a billionth of the full volume of the atom—but fantastically dense3, since it contains virtually all the atom's mass. As Cropper has put it, if an atom were expanded to the size of a cathedral, the nucleus would be only about the size of a fly—but a fly many thousands of times heavier than the cathedral. It was this spaciousness—this resounding4, unexpected roominess—that had Rutherford scratching his head in 1910.
1 neutrons | |
n.中子( neutron的名词复数 ) | |
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2 nucleus | |
n.核,核心,原子核 | |
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3 dense | |
a.密集的,稠密的,浓密的;密度大的 | |
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4 resounding | |
adj. 响亮的 | |
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5 astounding | |
adj.使人震惊的vt.使震惊,使大吃一惊astound的现在分词) | |
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6 repel | |
v.击退,抵制,拒绝,排斥 | |
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7 galaxies | |
星系( galaxy的名词复数 ); 银河系; 一群(杰出或著名的人物) | |
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8 levitating | |
v.(使)升空,(使)漂浮( levitate的现在分词 ) | |
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9 intimacy | |
n.熟悉,亲密,密切关系,亲昵的言行 | |
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