英语词汇“civil defense drills”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	civil defense drills
释义	civil defense drills 基本例句民防演习 This simple truth was demonstrated rather dramatically during a civil defence exercise in a small town in Canada.这个简单的事实在加拿大一个小镇的一次民防演习中颇为戏剧性地展示出来。
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