Uranium enrichment is the process used to make fuel for nuclear power plants, but when extended it can also produce fissile material for an atomic bomb.

VOA: standard.2009.11.28

And interestingly, strangely, make of it what you will, the man who detonated that bomb, as I understand it, had studied Yeats at school in Leeds.

有趣而奇特的是，你们可以对此有自己的想法，制造爆炸的那个人，我觉得他肯定，在利兹大学学院里学过叶芝。

耶鲁公开课 - 现代诗歌课程节选

Western nations fear Iran is trying to make a nuclear bomb.

VOA: standard.2009.10.19

The United States and its allies fear Tehran's goal is to make a bomb.

CNN: STORY HIGHLIGHTS

Lyman acknowledges that the quantity was not enough to make a bomb.

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Under the proposal, Iran would get the fuel it needs for its research reactor in Tehran, but this would not be sufficiently enriched to make a bomb.

BBC: Iran delays reply on nuclear plan