| 释义 |
calcium/ˈkælsiəm ||; ˈkælsɪəm/noun [u] (symbol ca) a chemical element that is found in foods such as milk and cheese. it helps to make bones and teeth strong. 钙 cal·ci·um /`kælsɪəm; ˈkælsiəm/n [u]a silver-white element that helps form teeth, bones, and chalk 钙 |