
好词典

源自希腊语 'bromos'(意为“恶臭”),因其强烈的气味而得名。
❶ 溴是一种化学元素,符号为Br,属于卤素族。常温下为红棕色液体,具有刺激性气味,常用于阻燃剂、消毒剂和摄影化学品中。
“Bromine is used in flame retardants to reduce the flammability of materials.”
(溴被用于阻燃剂中,以降低材料的可燃性。)
“The swimming pool was treated with bromine to keep the water clean.”
(游泳池用溴处理以保持水质清洁。)
bromine water — 溴水是一种含有溴的水溶液,常用于化学实验中测试不饱和化合物。
“Bromine water turns colorless when it reacts with an alkene.”
(溴水与烯烃反应时会变为无色。)