在这种原本只能发生在恒星内部的极端条件下，氢原子将发生聚变反应而生成氦原子，同时释放出大量能量。
Under such extreme conditions, which are found only in the core of stars, the hydrogen atoms will fuse, producing helium and vast amounts of energy.
最简单的核聚变反应，即压迫四个氢原子进入一个氦原子，是相当于把一团象太阳一样的气体从865000公里以外推进一颗闪亮的星星。
That simplest fusion reaction, four hydrogens into one helium, works for turning a ball of gas like the Sun, 865,000 miles across, into a shining star.
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