名詞 blackout:

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

1. He had had a blackout after the accident.
   事故發(fā)生后，他暈過去一陣子。
2. The streets were not lighted at night during the blackout.
   燈火管制期間，夜晚街道沒有照明。

black.out

n.（名詞）
The concealment or extinguishment of lights that might be visible to enemy aircraft during an air raid.
燈火管制：在空襲中把那些可能被敵機發(fā)現(xiàn)的燈火掩蔽或熄滅
Lack of illumination caused by an electrical power failure.
照明不足：由電力缺乏引起的照明不足

The sudden extinguishment of all stage lights in a theater to indicate the passage of time or to mark the end of an act or a scene.
舞臺上的突然熄燈：為表示時日的變化或指明一幕或一場的終結而將所有舞臺燈光突然熄滅
A short, comic vaudeville skit that ends with lights off.
熄燈結束：以燈光熄滅而結束的一場滑稽雜耍短劇
A temporary loss of memory or consciousness.
暫時失去記憶或知覺

A suppression, as of news, by censorhip.
管制：實行一種壓制的審查，如對新聞消息等
Restriction or prohibition of telecasting a sports event in order to ensure ticket sales.
為確保賽票的售出而限制或禁止轉播體育賽事

<參考詞匯><同義詞>blackout,faint,swoon,syncopeThe central meaning shared by these nouns is .a temporary loss of consciousness.:
這些詞共有的一個意思是暫時性.失去知覺.：
例句：
suffers blackouts at high altitudes;
因高山反應而失去知覺；

例句：
fell in a dead faint at the sight of the cadaver;
看到死尸而暈死過去；

例句：
sank to the ground in a swoon;
倒在地上昏過去了；

例句：
was taken to the emergency room in a state of syncope.
在昏迷中被送到手術室。