This is an important step toward a nuclear-free world.

这是向无核世界跨出的重要的一步。

《柯林斯英汉双解大词典》

It was outstanding when he made the speech in Prague calling for a nuclear-free world.

他在布拉格发出无核化倡导实在是太杰出了。

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Indeed, those who rest their hopes today on technical fixes to get safely to a nuclear-free world are the wrong sort of dreamers.

诚然，到如今还寄望安全技术的改进足以创造无核世界的人，皆为痴人说梦。

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A nuclear-free world is also U.S.President Barack Obama's vision - a vision he presented in April during a visit to Prague.

VOA: standard.2010.08.06

The two leaders will meet in the Czech capital, where,one year earlier, President Obama laid out his vision of a nuclear-free world.

VOA: standard.2010.04.04

Henry says a nuclear-free world also means that countries need to work together and create an environment that will help prevent international conflicts.

VOA: standard.2010.08.06

Mayor Kazumi Matsui called for a nuclear-free world at the event at the Hiroshima Peace Memorial Park.

BBC: Japan marks Hiroshima bombing amid anti-nuclear calls

His big dream was a nuclear-free world, which he pursued daringly but peacefully.

WSJ: Noonan: Can the Republican Party Recover From Iraq?

While he was a realist on nuclear armament during his professional career, late in life Mr. Kampelman embraced the ideal of a nuclear-free world.

WSJ: Max Kampelman, Cold War Arms Negotiator, Dies at 92