WORD BY WORD
calcium
英/kˈælsiəm/
美/ˈkæɫsiəm/
当前浏览器暂不支持朗读。
01n.
钙
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
WORD BY WORD
当前浏览器暂不支持朗读。
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