1. 原子武器：atomic warfare 原子战争 | atomic weapon 原子武器 | at priority call 优先响应呼唤
2. 原子兵器：atomic volume ==> 原子容 | atomic weapon ==> 原子兵器 | atomic weight ==> 原子量
1. US Defense Secretary Robert Gates later rejected Mullen's claim, saying that Iran was not close to building atomic weapon.
2. It also marked a victory over the Germans in the race to be first to develop a weapon using atomic energy.
3. Iran has repeatedly denied it is seeking an atomic weapon and insists its nuclear programme is solely for power generation.
4. The United States fears Iran is using its nuclear program to create an atomic weapon.
5. Israel believes Iran could have a nuclear bomb by 2010 and says an Iranian atomic weapon would threaten its existence.
6. Western powers accuse Iran of developing an atomic weapon, while Tehran insists it aims to produce only civilian energy.
7. The Manhattan project was the codename for the United States's World War II effort to devise an atomic weapon.
noun
1. a weapon of mass destruction whose explosive power derives from a nuclear reaction
Synonym: nuclear weapon