英语词汇“air defense drill”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	air defense drill
释义	air defense drill 基本例句 n.防空演习用作名词All lights are blacked out during air defence exercises.在防空演习时对一切灯火都实行管制。
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