hurricane
[名词]
a very strong and destructive wind that moves in circles, often seen in the Caribbean

飓风, 热带风暴
emergency
[名词]
an unexpected and usually dangerous situation needing immediate attention or action

紧急情况, 突发事件
epidemic
[名词]
the rapid spread of an infectious disease within a specific population, community, or region, affecting a significant number of individuals at the same time

流行病, 疫情
Ex: epidemic put a strain on the healthcare system .
explosion
[名词]
a sudden, forceful release of energy due to a chemical or nuclear reaction, causing rapid expansion of gases, loud noise, and often destruction

爆炸, 爆炸事件
collision
[名词]
an accident that occurs when two or more objects, often in motion, come into violent contact with each other, resulting in damage or destruction

碰撞, 冲突

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