重氢 [zhòng qīng]
双语例句原声例句
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重氢是原子核中多一个中子的氢。
A deuterium atom is a hydrogen with an extra neutron in its nucleus.
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氚是氢的放射性形式，有时被称作超重氢。
It is a naturally occurring radioactive form of hydrogen, sometimes known as heavy hydrogen.
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融合重氢同位素需要大量能量，部分原因是因为原子核带正电并相互排斥。
Fusing heavy hydrogen isotopes requires lots of energy, partly because the nuclei are positively charged and repel each other.
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It has an atomic mass of two deuterium.
它的质量是等于重氢的质量。
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