柯林斯詞典brownout /?bra?n?a?t/ 1. N a dimming or reduction in the use of electric lights in a city, esp to conserve electric power or as a defensive precaution in wartime (尤指為節(jié)約電力或作為戰(zhàn)時防御措施的)城市燈火管制 返回 brownout劍橋詞典an occasion when less electric power than usual is supplied to an area 限量供電；供電不足 Peak usage periods , such as extreme cold weather , have been known to spark brownouts. 我們已經(jīng)知道在用電高峰期，比如嚴寒的冬天，會有供電不足的情況發(fā)生。 返回 brownout