真正的杀手是，如果我们靠得太近，我们甚至会有两个原子核之间的排斥力。

The real killer is that if we get too close, we're even going to have nuclear-nuclear repulsion between the nuclei of the two atoms.

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当核话题提出后，双方很可能重申他们相互排斥的立场，从而引发这样的危险：会谈可能以加深相互猜疑而告终。

When the nuclear subject is raised, the two sides are likely to reiterate their mutually exclusive positions, raising the danger that the meeting could end up hardening mutual mistrust.

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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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