nuclear material短语⁴²¹⁹⁰ 基本例句 核材料 For instance, Russia has been indispensable to our efforts to enforce strong sanctions on Iran, to secure loose nuclear material from terrorists, and to equip our troops in Afghanistan. 例如，在我们对伊朗实施强制制裁，疏散恐怖分子的核燃料以及在阿富汗驻军的各项工作中，俄罗斯不可或缺。 yeeyan