卤素 lǔsù halogen Definitions Defs Origin Strokes Stroke Words Sentences Sents 卤素灯 lǔsùdēng halogen lamp 拟卤素 nǐlǔsù pseudohalogen pseudohalogen, e.g. cyanogen (CN)2石英卤素灯 shíyīnglǔsùdēng quartz halogen lamp