相关单词临近词halogens, halogen, halogenated alkane adducts, halogen-guenched counter, halogenoamine rearrangement, halogenated carboxylic acid, halogenated flame retardant, halogenated isoviolanthrone, halogeno-benzene compound, halogen and phosphorus free, halogenative decarboxylation, halogen-quench Geiger tube 返回 halogenation