?可裂变成分
可裂变成分
易裂燃料成份
Since 1998, his efforts to reconstitute his nuclear program have been focused on acquiring the third and last component, sufficient fissile material to produce a nuclear explosion.
CNN: Transcript of Powell's U.N. presentation
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。