| 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 |