a silver-white metal that is a simple substance and is found in bones, teeth, and chalk
详尽释义
n.
名词
【化】钙（元素符号Ca）
英英释义
Noun:
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
例句
用作名词 (n.)
We need some calcium everyday. 我们每天需要些钙。
I have a slight calcium deficiency. 我有点缺钙。
Like most dairy products, such as milk and cheese, yogurt contains a lot of calcium. 像大部分的乳制品，如牛奶和奶酪一样，优酪乳含有许多钙质。
美
['kælsiəm]
