名词
中文翻译：紧急情况
同义词：
['urgency', 'emergency situation', 'emergency condition']
例句：
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1. The firedepartment arrived at the scene of the accident in an emergency.
消防部门在事故发生现场迅速到达。
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2. The doctor advised us to seek medical help immediately if we were in an emergency.
如果遇到紧急情况，医生建议我们立即寻求医疗帮助。
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3. In an emergency, you should always have a first aid kit on hand.
在紧急情况下，你应该随时准备一个急救包。