pyrolusite
                                                    英 [,paɪrə(ʊ)'luːsaɪt]
                                                                    美 [,paɪrə(ʊ)'luːsaɪt]
                        
                
                
                
                
                    
                                                                                                        pyrolusite 英文词源
                
                
                    
                        - pyrolusite (n.)
- "manganese dioxide," 1828, the name given in Roman times, when it was used, in a heated state, to de-colorize glass, from Greek elements pyro- "by heat, by fire" (see pyro-) + lysis "a loosening" (see lose).
 
                
                                                    pyrolusite 双语例句
                
                
                    1. The mineral components of nodules are mainly pyrolusite, psilomelane and limonite.  锰结核主要由硬锰矿、软锰矿、褐铁矿构成. 来自互联网