1.
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（战时）灯火管制期 A blackout is a period of time during a war in which towns and buildings are made dark so that they cannot be seen by enemy planes.
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...blackout curtains.
遮光幕帘
2.
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（新闻等的）禁播，封锁，禁止出版 If a blackout is imposed on a particular piece of news, journalists are prevented from broadcasting or publishing it.
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...a media blackout imposed by the Imperial Palace...
皇宫施行的新闻封锁
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Journalists said there was a virtual news blackout about the rally.
记者们说有关这场集会的新闻实际上被封锁了。
3.
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停电；断电 If there is a power blackout, the electricity supply to a place is temporarily cut off.
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There was an electricity black-out in a large area in the north of the country.
该国北部大片地区断电。
4.
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晕厥；暂时昏迷 If you have a blackout, you temporarily lose consciousness.
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I suffered a black-out which lasted for several minutes.
我昏迷了几分钟。
- Noun
-
1. a suspension of radio or tv broadcasting
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2. darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft)
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3. the failure of electric power for a general region
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4. a momentary loss of consciousness
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5. partial or total loss of memory;
- "he has a total blackout for events of the evening"
- synonym： amnesia，memory loss
体育
- 1.两眼发黑
医学
- 1.一时性黑蒙：由于脑循环血流量减少所致的一时性视觉意识消失
航空
<名>
- 1.黑视
- 2.当人体受到过载正加速度达到较高值时，人的中心视力和周边视力都消失，眼前出现漆黑一团的生理现象。
计算机
- 1.信号消失，中断
- 1. The government have been accused of maintaining a news blackout over election fraud.
- 有人指责政府封锁有关选举舞弊的新闻报道。
来自《简明英汉词典》
- 2. The hospital has an auxiliary power system in case of blackout.
- 这家医院装有备用发电系统以防灯火管制。
来自《简明英汉词典》
