单词	halogen atom
释义	halogen atom 卤原子
随便看	precious metal fund Precious metal graphite mold castings preciously precious mannerisms precious medicines precious memento precious metal indicator code precious metal ion precious metal jewelry Precious metal leaf maker Precious metal machined plate stock precious metal of ruthenium precious metal paste precious metal permanent mold castings Precious metal plaster mold castings precious metal powder precious metal refiner precious metal precious-metal precious metal alloy precious metal alloys Precious metal amorphous alloy powder Precious metal break contact materials precious metal ceramic crown precious metal chemical complex