air-raid shelter

n.a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids

同义词：bomb shelterbombproof

1. During World War II, many cities in Europe had air-raid shelters built underground to protect civilians from bombings.
   在第二次世界大战期间，欧洲许多城市建有地下防空洞，以保护平民免受轰炸。
2. The government set up an air-raid shelter in every neighborhood to ensure the safety of the residents during airstrikes.
   政府在每个社区都设立了防空洞，以确保居民在空袭期间的安全。