black /blæk/ ► SEE ALLblack outblack sth out●ˌblack ˈoutto become unconscious or lose your memory for a short time（短暂）昏厥，失忆◆The pain hit him and he blacked out. 他疼得晕了过去。[v + adv]▸ˈblackout
noun
◆When did you start having these blackouts? 你什么时候开始出现这种短暂昏迷的？●ˌblack sth ˈoutto turn out lights completely or cover windows, etc. so that light cannot be seen from outside熄灭（某处）的灯；使不漏光◆blacked-out windows / houses 密不透光的窗户／房子◆The city was often blacked out by power cuts. 停电经常使这座城市陷入一片漆黑。OBJwindow, cityNOTEOften used in the passive.常用于被动语态。[v + adv + n][v + pron + adv][v + n + adv] (rare) ▸ˈblackout
noun
1. (especially BrE) (in the past) a period of time during a war when the streets and buildings were kept as dark as possible so that the enemy could not see what to bomb（战时）灯火管制2. [usually plural] (BrE) a covering for windows that stops light from outside coming in, or that stops bright light being seen from outside遮光窗帘◆blackout material 窗户遮光材料3. ( ˈoutageNAmE) a period of time when the electricity supply to a place stops completely断电；停电4.a situation when the government or the police prevent a radio or television programme from being broadcast, or do not allow some news or information to be given to the public（广播或电视节目的）禁播；（对新闻或信息的）封锁◆The government have been accused of maintaining a news blackout over election fraud. 政府被指封锁有关选举舞弊的新闻报道。