| 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 |