The city's bomb shelters were being prepared for possible air raids.

这座城市的防空掩体正在准备中，以防可能发生的空袭。

《柯林斯英汉双解大词典》

They refers to the embrasures of the bomb shelters.

它们同防空洞的射击孔类似。

youdao

I spent many nights huddled with my family and others in bomb shelters and basements, listening to the explosions outside.

我在防空洞和地下室里度过了无数个夜晚，与家人或其他人蜷缩着躲在一起，听着外面的爆炸声。

youdao

"Of course,the residents of southern Israel who were living in bomb shelters for months,and even years, have a right to live also in safety and dignity,".

VOA: standard.2009.09.09

(SAYING) She said the committee decided that children will not be sent back to classes in the city until all schools are equipped with portable bomb shelters.

VOA: standard.2010.07.30

Venture Capitalists have crawled out of their bomb shelters and are funding startups again.

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Jerusalemites would find ourselves living in bomb shelters like our brothers and sisters in Sderot.

CENTERFORSECURITYPOLICY: Jerusalem, the Eternal Front Line

These were bomb shelters -- they dug them deep on purpose during the Cold War.

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