n.(核爆炸后产生的)火球；火流星；精力充沛的人
The atomic explosion is always accompanied by huge fireball. 原子弹爆炸总是伴随着巨大的火球。
When a fireball appears you will invariably be recording a +5m meteor. 火流星出现时
Michelle has really been a fireball at the office. 在办公室里工作干劲是十足。
