calcium
音標['k?lsi?m] 讀音
漢語翻譯
n. 鈣
【化】 鈣Ca
【醫】 鈣(20號元素)
詞型變化：
簡寫符號:Ca英文解釋：
名詞 calcium:
- 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同義詞：Ca, atomic number 20
例句：
- 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.
- I have a slight calcium deficiency.我有點缺鈣。
- Calcium is beneficial to our bones.鈣對我們的骨骼有益。
- We need some calcium everyday.我們每天需要些鈣。
詳細解釋：
cal.ci.um
n.Symbol Ca （名詞）符號 Ca A silvery, moderately hard metallic element that constitutes approximately 3 percent of the earth`s crust and is a basic component of most animals and plants. It occurs naturally in limestone, gypsum, and fluorite, and its compounds are used to make plaster, quicklime, Portland cement, and metallurgic and electronic materials. Atomic number 20; atomic weight 40.08; melting point 842 to 848=C; boiling point ,487=C; specific gravity .55; valence 2.See table at element 鈣：一種銀色的、硬度適中的金屬元素，約占地殼中各種元素的百分之三，是多數動物和植物的基本組成物之一。自然存在於石灰石、石膏、氟石以及其它化合物之中，用於製造石膏、生石灰、矽酸鹽水泥以及冶金和電子材料。原子序數20；原子量40.08；熔點842到848度；沸點,487度；比重.55；化學價2參見 element
來源：Latin calx calc- [lime] * see calx 拉丁語 calx calc- [石灰] *參見 calx-ium -ium
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