calcium

['kælsiəm]

n.钙

例句与用法：

A smooth, lustrous, variously colored deposit, chiefly calcium carbonate, formed around a grain of sand or other foreign matter in the shells of certain mollusks and valued as a gem.

珍珠在几种软体动物的贝壳中，围绕着一粒沙子或其他外来物质形成的一种光滑、有色泽、具有不同颜色且主要是碳酸钙的沉积物，被珍视为宝石

I have a slight calcium deficiency.

我有点缺钙。

Calcium is beneficial to our bones.

钙对我们的骨骼有益。

We need some calcium everyday.

我们每天需要些钙。

词形变化：

简写符号: Ca |

详细释义：

n.

【化】钙[U]

You need calcium in your food to grow strong, healthy bones.

为了骨骼长得坚固和健康, 你的食物里需要有钙。