mass evacuation

基本解释

At least one person died in the flames, and five more died during the mass evacuation.
至少1人在火灾中死亡，5人在大规模疏散中死亡。
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During the the Three Mile Island episode there wasn't a mass evacuation, but pregnant women and preschool children were urged to leave the area.
在三里岛事故中并没有出现大规模居民疏散，但是孕妇和学前儿童被转移到安全区域。
Residents were evacuated from some areas at the end of September when volcanic activity increased to more than 150 tremors in 24 hours.The army was put on standby for a mass evacuation.
在九月底，火山活动增加到24小时150次轻微地震，一些地区的居民在那时都已被疏散，并且军队进入待命状态以备大规模疏散。

The struggle of a mass evacuation now stretches out hundreds of miles from Houston, Texas.
NPR: Gridlock Hampers Texas Evacuation Efforts
As the death toll continues to mount along the Israeli-Lebanese border, several foreign governments are undertaking a mass evacuation of their citizens in Lebanon.
NPR: Internationals Flee Lebanon to Escape Fighting
Not only would it connect the Crescent City to the capital city, it could serve as a method of mass evacuation in time of hurricanes.
NPR: Light Rail Would Connect More than Point A and B