广播电视英语短句 第 176 课：保护核原料-2

It promised to give up all of its highly enriched uranium by two thousand twelve. 它承诺在 2012 年前交出所有高浓度的铀。

The United States and Russia signed an agreement to dispose of sixty-eight tons of weapons-grade plutonium. 美国和俄罗斯签署了销毁 68 吨武器级别的钚。

They plan to use the plutonium as fuel for civilian nuclear reactors. 他们计划将钚做为民用核反应器燃料使用。

Last week, President Obama and Russian President Dmitri Medvedev signed a nuclear arms agreement in the Czech Republic . 上周，奥巴马总统和俄罗斯梅德韦杰夫总统在捷克共和国签署了一份核武器协议。

It calls for America and Russia to each deploy a limit of one thousand five hundred fifty long-distance nuclear weapons -- a cut of about thirty percent. 要求美国和俄罗斯各自部署 1550 远距离的核武器限度——削减大约 30% 的核武器。