noun 下载 🔗分享 卤族元素, 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. Examples : "Table salt, or sodium chloride, is formed when the metal sodium reacts with chlorine, one of the halogens. " 食盐，也就是氯化钠，是金属钠与氯气反应形成的，而氯气是卤族元素的一种。 element chemistry substance science material compound 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 卤素灯, 卤钨灯 A light fixture in which the filament is surrounded by an atmosphere of a halogen gas, Examples : "The mechanic used bright halogens to see the engine clearly. " 那个机械师用明亮的卤素灯清楚地查看发动机。 technology device electric physics 与AI对话词汇游戏阅读练习
