black out

名词 black out:

1. a suspension of radio or tv broadcasting
   同义词：blackout
2. darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft)
   同义词：blackout, brownout, dimout
3. the failure of electric power for a general region
   同义词：blackout
4. a momentary loss of consciousness
   同义词：blackout
5. partial or total loss of memory
   同义词：amnesia, memory loss, blackout

动词 black out:

1. obliterate or extinguish
2. darken completely
   同义词：blacken out
3. suppress by censorship as for political reasons
4. lose consciousness due to a sudden trauma, for example
   同义词：zonk out, pass out

1. Dictators usually black out all criticism of the government.
   独裁者通常都禁止批评政府的言论公开发表。
2. During the war we had to black out all our windows.
   战时我们必须用黑布遮着窗口以免透光。
3. The plane dived suddenly, causing the pilot to black out.
   飞机猛然俯冲致使驾驶员昏厥。
4. Such a steep descent in an airplane would have blacked out a fledging.
   飞机作这样的急速下降本来是会使缺乏飞行经验的人眼前发黑的。