| 单词 | air-raid shelter |
| 释义 | air-raid shelter air-raid shelter n: (underground bunker) SC 防空洞 fáng kōng dòng SC 防空壕 fáng kōng dòng，fáng kōng háo During the Cold War, many Americans built air-raid shelters in their backyards. 在冷战时期，许多美国人在他们后院建了防空洞。 |
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