a period when all lights must be turned out or covered to prevent them being seen by the enemy during an air raid
(空袭期间的)灯火管制。
(一般作
(空袭期间遮挡灯火用的)黑窗帘。
a failure of electrical power supply
断电,停电
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due to a power blackout their hotel was in total darkness. 由于停电,他们的宾馆一片漆黑。
a moment in the theatre when the lights on stage are suddenly dimmed
舞台黑场(指剧场中舞台灯光的瞬时暗淡)。
a suppression of information, especially one imposed on the media by government
新闻管制,消息封锁
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there is a total information blackout on minority interests. 有关少数人利益的消息被完全封锁了。
a temporary loss of consciousness
短暂意识丧失,短暂失去知觉。