| 例句 |
The city's bomb shelters were being prepared for possible air raids.为防御可能发生的空袭，该城市正在建防空洞。They took refuge in a bomb shelter.他们在防空洞中避难。This place was an air-raid shelter during the war.这地方在战时是一个防空洞。They had started to issue gas masks and prepare air-raid shelters.他们已经开始发放防毒面具，并准备防空洞。Underground stations in London were used as bomb shelters during the Second World War.第二次世界大战期间，伦敦的地铁站被用作防空洞。People were making for the air-raid shelters below ground.人们正奔向地下防空洞。 |