电压下降；灯光变暗
暂时性视力模糊；视野变暗；消防站临时关闭；白天停电；交流电压降低导致照明减弱的时期；视觉暂时变暗(通常呈褐色,伴有周边视野丧失或管状视野)
A period of reduced voltage in an electrical power supply, causing lights to dim.
区别于blackout（完全停电）。
交流电压降低导致照明减弱的时期
A period of low alternating current line voltage, causing a reduction in illumination.
视觉暂时变暗(通常呈褐色,伴有周边视野丧失或管状视野)
A temporary dimming of vision, usually with a brown hue and accompanied by loss of peripheral vision or tunnel vision.
临时关闭消防站,通常由于预算限制
A temporary closing of a fire station, usually due to budget restrictions.
白天停电(区别于夜间停电)
A power outage during the day; distinguished from a blackout, which occurs at night.
The old building often has a brownout when too many appliances are turned on at once.
这栋老楼在太多电器同时打开时经常会出现电压下降。
用法提示：brownout 是名词，表示电压不足导致灯光变暗的短暂状态。
A brief brownout during the heatwave caused the air conditioners to run at lower power.
热浪期间的一次短暂电压下降导致空调以较低的功率运行。
用法提示：brownout 作单数名词，指一次短暂的电压下降事件。
Residents reported several brownouts last night, but the power never went out completely.
居民昨晚报告了数次电压下降，但电力从未完全中断。
用法提示：brownout 用复数形式 brownouts，指多次电压下降。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.
