| 单词 | chromium |
| 释义 | chro·miumBrE /ˈkrəʊmiəm/ NAmE /ˈkroʊmiəm/ noun [U ] (symbol Cr ) a chemical element . Chromium is a hard grey metal that shines brightly when polished and is often used to cover other metals in order to prevent them from rusting .铬◆ chromium -plated steel 镀铬的钢 |
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