calcium
/ˈkælsiəm/📚 5682 2考研托福雅思Calcium is a soft white chemical element which is found in bones and teeth, and also in limestone, chalk, and marble. 钙
noun [物质名词]（化学元素）钙
Calcium is found most abundantly in milk.
奶含钙最丰富。
calc(石头) + ium → 像石头一样硬 → 钙
单词造句:
- 网友用“Calcium”造句精选
- All the original calcium had dissolved away. 所有原始钙都被破坏了。
- Calcium may aid in the prevention of colon cancer. 钙可能有助于预防结肠癌。