emergencies

例句：

1. 1. The sudden drop in oil prices has caused a global economic crisis.
   石油价格的突然下跌引发了全球经济危机。
2. 2.The government declared a state of emergency due to the natural disaster.
   政府因自然灾害宣布进入紧急状态。
3. 3. In an emergency, we need to act quickly and decisively.
   在紧急情况下，我们需要迅速而果断地行动。