noun🔗Share卤素 Any element of group 17, i.e. fluorine, chlorine, bromine, iodine and astatine, which form a salt by direct union with a metal."The chlorine in table salt is a common example of a halogen forming a compound with a metal. "食盐中的氯是一种常见的卤素，它能与金属结合形成化合物。elementchemistrysubstanceChat with AIVocabulary GamePractice Reading
noun🔗Share卤素灯 A light fixture in which the filament is surrounded by an atmosphere of a halogen gas,"The mechanic used a bright halogen to see clearly under the car's hood. "机械师用一个明亮的卤素灯，以便清楚地看到汽车引擎盖下面的情况。energytechnologydeviceelectronicsChat with AIVocabulary GamePractice Reading
