the quality of being very loud and sudden, like an explosion

the explosiveness of the impact 撞击的爆炸声

the loud or violent expression of strong feelings, or a tendency to express feelings like this

The explosiveness of his denial was absolute. 他矢口否认中的冲天怒气无法掩盖。

Kids reach the point of explosiveness faster than adults. 孩子（情绪）到达爆点（的速度）比成人快。

the ability to suddenly increase your speed or power while playing a sport, running, etc.

The drills are designed to test speed, strength, agility, and explosiveness. 这些操练是为测试速度、力量、柔韧性和爆发力而设计的。

After major knee surgery, he lost his explosiveness. 经历了膝盖大手术之后，他丧失了他的爆发力。