| 词汇 | praseodymium |
| 释义 | praseo·dym·iumBrE /ˌpreɪziəʊˈdɪmiəm/ NAmE /ˌpreɪzioʊˈdɪmiəm/ noun [U ] (symbol Pr ) a chemical element . Praseodymium is a soft silver -white metal used in alloys and to colour glass 镨 |
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