碳原子
An atom of the element carbon.
化学元素碳的基本单位。
氮原子
An atom of the element nitrogen.
指氮元素的单个原子
带电原子
Refers to an atom that has a net positive or negative electric charge.
指带有净正电荷或负电荷的原子。
不稳定原子
Refers to a radioactive atom that is likely to decay.
指可能会衰变的放射性原子。
原子弹
A bomb that derives its destructive power from the rapid release of nuclear energy.
使原子裂变
To cause an atom to undergo nuclear fission, releasing energy.
使原子发生核裂变，释放能量。