核炸弹 meaning in English

nuking

One study suggested the cause might be radioactive fall-out from atom bombs .
一项研究认为起因可能是核炸弹的辐射尘。
Immediately following the detonation of a nuclear weapon in the air, an intensely hot and luminous (gaseous) fireball is formed .
核炸弹在空中爆炸后，紧接着形成灼热而明亮的（气体）火球。
That ' s a thermonuclear bomb
那是核炸弹
But in october 2006 it tested a nuclear explosive for the first time , raising questions about its intent
但是他在2006年10月首次试验爆炸了一颗核炸弹，引起了其他国家对其意图的疑问。
President bush says he wants to keep the pressure on iran even if a new intelligence says it stopped work on the nuclear bomb years ago , halted because of international pressure
布什总统说他将保持对伊朗的压力，尽管一份新的情报说伊朗在几年前就因迫于国际压力而停止了核炸弹的研究。